665318576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{47741}}^1$

素因数の和:47829

約数の個数: 40

約数和(自身を含む): 1408961904

約数和(自身を除く): 743643328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 13936, 47741, 95482, 190964, 381928, 620633, 763856, 1241266, 2482532, 3198647, 4965064, 6397294, 9930128, 12794588, 25589176, 41582411, 51178352, 83164822, 166329644, 332659288, 665318576]

約数ペア:

[(1, 665318576), (2, 332659288), (4, 166329644), (8, 83164822), (13, 51178352), (16, 41582411), (26, 25589176), (52, 12794588), (67, 9930128), (104, 6397294), (134, 4965064), (208, 3198647), (268, 2482532), (536, 1241266), (871, 763856), (1072, 620633), (1742, 381928), (3484, 190964), (6968, 95482), (13936, 47741)]