15997696

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:82

約数の個数: 144

約数和(自身を含む): 41207040

約数和(自身を除く): 25209344

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 23, 26, 32, 38, 44, 46, 52, 64, 76, 88, 92, 104, 128, 143, 152, 176, 184, 208, 209, 247, 253, 256, 286, 299, 304, 352, 368, 416, 418, 437, 494, 506, 572, 598, 608, 704, 736, 832, 836, 874, 988, 1012, 1144, 1196, 1216, 1408, 1472, 1664, 1672, 1748, 1976, 2024, 2288, 2392, 2432, 2717, 2816, 2944, 3289, 3328, 3344, 3496, 3952, 4048, 4576, 4784, 4807, 4864, 5434, 5681, 5888, 6578, 6688, 6992, 7904, 8096, 9152, 9568, 9614, 10868, 11362, 13156, 13376, 13984, 15808, 16192, 18304, 19136, 19228, 21736, 22724, 26312, 26752, 27968, 31616, 32384, 36608, 38272, 38456, 43472, 45448, 52624, 53504, 55936, 62491, 63232, 64768, 76544, 76912, 86944, 90896, 105248, 111872, 124982, 153824, 173888, 181792, 210496, 249964, 307648, 347776, 363584, 420992, 499928, 615296, 695552, 727168, 841984, 999856, 1230592, 1454336, 1999712, 3999424, 7998848, 15997696]

約数ペア:

[(1, 15997696), (2, 7998848), (4, 3999424), (8, 1999712), (11, 1454336), (13, 1230592), (16, 999856), (19, 841984), (22, 727168), (23, 695552), (26, 615296), (32, 499928), (38, 420992), (44, 363584), (46, 347776), (52, 307648), (64, 249964), (76, 210496), (88, 181792), (92, 173888), (104, 153824), (128, 124982), (143, 111872), (152, 105248), (176, 90896), (184, 86944), (208, 76912), (209, 76544), (247, 64768), (253, 63232), (256, 62491), (286, 55936), (299, 53504), (304, 52624), (352, 45448), (368, 43472), (416, 38456), (418, 38272), (437, 36608), (494, 32384), (506, 31616), (572, 27968), (598, 26752), (608, 26312), (704, 22724), (736, 21736), (832, 19228), (836, 19136), (874, 18304), (988, 16192), (1012, 15808), (1144, 13984), (1196, 13376), (1216, 13156), (1408, 11362), (1472, 10868), (1664, 9614), (1672, 9568), (1748, 9152), (1976, 8096), (2024, 7904), (2288, 6992), (2392, 6688), (2432, 6578), (2717, 5888), (2816, 5681), (2944, 5434), (3289, 4864), (3328, 4807), (3344, 4784), (3496, 4576), (3952, 4048)]