81581392

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{21157}}^1$

素因数の和:21406

約数の個数: 20

約数和(自身を含む): 158727316

約数和(自身を除く): 77145924

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 21157, 42314, 84628, 169256, 338512, 5098837, 10197674, 20395348, 40790696, 81581392]

約数ペア:

[(1, 81581392), (2, 40790696), (4, 20395348), (8, 10197674), (16, 5098837), (241, 338512), (482, 169256), (964, 84628), (1928, 42314), (3856, 21157)]