264978416

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{126421}}^1$

素因数の和:126560

約数の個数: 20

約数和(自身を含む): 517318824

約数和(自身を除く): 252340408

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 126421, 252842, 505684, 1011368, 2022736, 16561151, 33122302, 66244604, 132489208, 264978416]

約数ペア:

[(1, 264978416), (2, 132489208), (4, 66244604), (8, 33122302), (16, 16561151), (131, 2022736), (262, 1011368), (524, 505684), (1048, 252842), (2096, 126421)]