31144576

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 66096000

約数和(自身を除く): 34951424

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 71, 92, 128, 142, 149, 184, 284, 298, 368, 568, 596, 736, 1136, 1192, 1472, 1633, 2272, 2384, 2944, 3266, 3427, 4544, 4768, 6532, 6854, 9088, 9536, 10579, 13064, 13708, 19072, 21158, 26128, 27416, 42316, 52256, 54832, 84632, 104512, 109664, 169264, 209024, 219328, 243317, 338528, 438656, 486634, 677056, 973268, 1354112, 1946536, 3893072, 7786144, 15572288, 31144576]

約数ペア:

[(1, 31144576), (2, 15572288), (4, 7786144), (8, 3893072), (16, 1946536), (23, 1354112), (32, 973268), (46, 677056), (64, 486634), (71, 438656), (92, 338528), (128, 243317), (142, 219328), (149, 209024), (184, 169264), (284, 109664), (298, 104512), (368, 84632), (568, 54832), (596, 52256), (736, 42316), (1136, 27416), (1192, 26128), (1472, 21158), (1633, 19072), (2272, 13708), (2384, 13064), (2944, 10579), (3266, 9536), (3427, 9088), (4544, 6854), (4768, 6532)]