31995392

素因数分解:

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

素因数の和:84

約数の個数: 160

約数和(自身を含む): 82494720

約数和(自身を除く): 50499328

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, 512, 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, 5632, 5681, 5888, 6578, 6656, 6688, 6992, 7904, 8096, 9152, 9568, 9614, 9728, 10868, 11362, 11776, 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, 73216, 76544, 76912, 86944, 90896, 105248, 107008, 111872, 124982, 126464, 129536, 153088, 153824, 173888, 181792, 210496, 223744, 249964, 307648, 347776, 363584, 420992, 499928, 615296, 695552, 727168, 841984, 999856, 1230592, 1391104, 1454336, 1683968, 1999712, 2461184, 2908672, 3999424, 7998848, 15997696, 31995392]

約数ペア:

[(1, 31995392), (2, 15997696), (4, 7998848), (8, 3999424), (11, 2908672), (13, 2461184), (16, 1999712), (19, 1683968), (22, 1454336), (23, 1391104), (26, 1230592), (32, 999856), (38, 841984), (44, 727168), (46, 695552), (52, 615296), (64, 499928), (76, 420992), (88, 363584), (92, 347776), (104, 307648), (128, 249964), (143, 223744), (152, 210496), (176, 181792), (184, 173888), (208, 153824), (209, 153088), (247, 129536), (253, 126464), (256, 124982), (286, 111872), (299, 107008), (304, 105248), (352, 90896), (368, 86944), (416, 76912), (418, 76544), (437, 73216), (494, 64768), (506, 63232), (512, 62491), (572, 55936), (598, 53504), (608, 52624), (704, 45448), (736, 43472), (832, 38456), (836, 38272), (874, 36608), (988, 32384), (1012, 31616), (1144, 27968), (1196, 26752), (1216, 26312), (1408, 22724), (1472, 21736), (1664, 19228), (1672, 19136), (1748, 18304), (1976, 16192), (2024, 15808), (2288, 13984), (2392, 13376), (2432, 13156), (2717, 11776), (2816, 11362), (2944, 10868), (3289, 9728), (3328, 9614), (3344, 9568), (3496, 9152), (3952, 8096), (4048, 7904), (4576, 6992), (4784, 6688), (4807, 6656), (4864, 6578), (5434, 5888), (5632, 5681)]