251168128

素因数分解:

$2^7\times {\mathrm{137}}^1\times {\mathrm{14323}}^1$

素因数の和:14474

約数の個数: 32

約数和(自身を含む): 504061560

約数和(自身を除く): 252893432

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 274, 548, 1096, 2192, 4384, 8768, 14323, 17536, 28646, 57292, 114584, 229168, 458336, 916672, 1833344, 1962251, 3924502, 7849004, 15698008, 31396016, 62792032, 125584064, 251168128]

約数ペア:

[(1, 251168128), (2, 125584064), (4, 62792032), (8, 31396016), (16, 15698008), (32, 7849004), (64, 3924502), (128, 1962251), (137, 1833344), (274, 916672), (548, 458336), (1096, 229168), (2192, 114584), (4384, 57292), (8768, 28646), (14323, 17536)]