991857152

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:115

約数の個数: 320

約数和(自身を含む): 2639831040

約数和(自身を除く): 1647973888

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 23, 26, 31, 32, 38, 44, 46, 52, 62, 64, 76, 88, 92, 104, 124, 128, 143, 152, 176, 184, 208, 209, 247, 248, 253, 256, 286, 299, 304, 341, 352, 368, 403, 416, 418, 437, 494, 496, 506, 512, 572, 589, 598, 608, 682, 704, 713, 736, 806, 832, 836, 874, 988, 992, 1012, 1144, 1178, 1196, 1216, 1364, 1408, 1426, 1472, 1612, 1664, 1672, 1748, 1976, 1984, 2024, 2288, 2356, 2392, 2432, 2717, 2728, 2816, 2852, 2944, 3224, 3289, 3328, 3344, 3496, 3952, 3968, 4048, 4433, 4576, 4712, 4784, 4807, 4864, 5434, 5456, 5632, 5681, 5704, 5888, 6448, 6479, 6578, 6656, 6688, 6992, 7657, 7843, 7904, 7936, 8096, 8866, 9152, 9269, 9424, 9568, 9614, 9728, 10868, 10912, 11362, 11408, 11776, 12896, 12958, 13156, 13376, 13547, 13984, 15314, 15686, 15808, 15872, 16192, 17732, 18304, 18538, 18848, 19136, 19228, 21736, 21824, 22724, 22816, 25792, 25916, 26312, 26752, 27094, 27968, 30628, 31372, 31616, 32384, 35464, 36608, 37076, 37696, 38272, 38456, 43472, 43648, 45448, 45632, 51584, 51832, 52624, 53504, 54188, 55936, 61256, 62491, 62744, 63232, 64768, 70928, 73216, 74152, 75392, 76544, 76912, 84227, 86944, 87296, 90896, 91264, 101959, 103168, 103664, 105248, 107008, 108376, 111872, 122512, 124982, 125488, 126464, 129536, 141856, 148304, 149017, 150784, 153088, 153824, 168454, 173888, 174592, 176111, 181792, 182528, 203918, 206336, 207328, 210496, 216752, 223744, 245024, 249964, 250976, 283712, 296608, 298034, 301568, 307648, 336908, 347776, 352222, 363584, 365056, 407836, 414656, 420992, 433504, 490048, 499928, 501952, 567424, 593216, 596068, 615296, 673816, 695552, 704444, 727168, 815672, 829312, 841984, 867008, 980096, 999856, 1003904, 1134848, 1186432, 1192136, 1230592, 1347632, 1391104, 1408888, 1454336, 1631344, 1658624, 1683968, 1734016, 1937221, 1960192, 1999712, 2007808, 2269696, 2372864, 2384272, 2461184, 2695264, 2817776, 2908672, 3262688, 3317248, 3468032, 3874442, 3920384, 3999424, 4015616, 4745728, 4768544, 5390528, 5635552, 6525376, 6936064, 7748884, 7998848, 9537088, 10781056, 11271104, 13050752, 15497768, 15997696, 19074176, 21562112, 22542208, 26101504, 30995536, 31995392, 38148352, 43124224, 45084416, 52203008, 61991072, 76296704, 90168832, 123982144, 247964288, 495928576, 991857152]

約数ペア:

[(1, 991857152), (2, 495928576), (4, 247964288), (8, 123982144), (11, 90168832), (13, 76296704), (16, 61991072), (19, 52203008), (22, 45084416), (23, 43124224), (26, 38148352), (31, 31995392), (32, 30995536), (38, 26101504), (44, 22542208), (46, 21562112), (52, 19074176), (62, 15997696), (64, 15497768), (76, 13050752), (88, 11271104), (92, 10781056), (104, 9537088), (124, 7998848), (128, 7748884), (143, 6936064), (152, 6525376), (176, 5635552), (184, 5390528), (208, 4768544), (209, 4745728), (247, 4015616), (248, 3999424), (253, 3920384), (256, 3874442), (286, 3468032), (299, 3317248), (304, 3262688), (341, 2908672), (352, 2817776), (368, 2695264), (403, 2461184), (416, 2384272), (418, 2372864), (437, 2269696), (494, 2007808), (496, 1999712), (506, 1960192), (512, 1937221), (572, 1734016), (589, 1683968), (598, 1658624), (608, 1631344), (682, 1454336), (704, 1408888), (713, 1391104), (736, 1347632), (806, 1230592), (832, 1192136), (836, 1186432), (874, 1134848), (988, 1003904), (992, 999856), (1012, 980096), (1144, 867008), (1178, 841984), (1196, 829312), (1216, 815672), (1364, 727168), (1408, 704444), (1426, 695552), (1472, 673816), (1612, 615296), (1664, 596068), (1672, 593216), (1748, 567424), (1976, 501952), (1984, 499928), (2024, 490048), (2288, 433504), (2356, 420992), (2392, 414656), (2432, 407836), (2717, 365056), (2728, 363584), (2816, 352222), (2852, 347776), (2944, 336908), (3224, 307648), (3289, 301568), (3328, 298034), (3344, 296608), (3496, 283712), (3952, 250976), (3968, 249964), (4048, 245024), (4433, 223744), (4576, 216752), (4712, 210496), (4784, 207328), (4807, 206336), (4864, 203918), (5434, 182528), (5456, 181792), (5632, 176111), (5681, 174592), (5704, 173888), (5888, 168454), (6448, 153824), (6479, 153088), (6578, 150784), (6656, 149017), (6688, 148304), (6992, 141856), (7657, 129536), (7843, 126464), (7904, 125488), (7936, 124982), (8096, 122512), (8866, 111872), (9152, 108376), (9269, 107008), (9424, 105248), (9568, 103664), (9614, 103168), (9728, 101959), (10868, 91264), (10912, 90896), (11362, 87296), (11408, 86944), (11776, 84227), (12896, 76912), (12958, 76544), (13156, 75392), (13376, 74152), (13547, 73216), (13984, 70928), (15314, 64768), (15686, 63232), (15808, 62744), (15872, 62491), (16192, 61256), (17732, 55936), (18304, 54188), (18538, 53504), (18848, 52624), (19136, 51832), (19228, 51584), (21736, 45632), (21824, 45448), (22724, 43648), (22816, 43472), (25792, 38456), (25916, 38272), (26312, 37696), (26752, 37076), (27094, 36608), (27968, 35464), (30628, 32384), (31372, 31616)]