71388928

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1177

約数の個数: 72

約数和(自身を含む): 161680400

約数和(自身を除く): 90291472

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1129, 1216, 1664, 1976, 2258, 2432, 3328, 3952, 4516, 4864, 7904, 9032, 14677, 15808, 18064, 21451, 29354, 31616, 36128, 42902, 58708, 63232, 72256, 85804, 117416, 144512, 171608, 234832, 278863, 289024, 343216, 469664, 557726, 686432, 939328, 1115452, 1372864, 1878656, 2230904, 2745728, 3757312, 4461808, 5491456, 8923616, 17847232, 35694464, 71388928]

約数ペア:

[(1, 71388928), (2, 35694464), (4, 17847232), (8, 8923616), (13, 5491456), (16, 4461808), (19, 3757312), (26, 2745728), (32, 2230904), (38, 1878656), (52, 1372864), (64, 1115452), (76, 939328), (104, 686432), (128, 557726), (152, 469664), (208, 343216), (247, 289024), (256, 278863), (304, 234832), (416, 171608), (494, 144512), (608, 117416), (832, 85804), (988, 72256), (1129, 63232), (1216, 58708), (1664, 42902), (1976, 36128), (2258, 31616), (2432, 29354), (3328, 21451), (3952, 18064), (4516, 15808), (4864, 14677), (7904, 9032)]