81165608

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{25301}}^1$

素因数の和:25708

約数の個数: 16

約数和(自身を含む): 152571060

約数和(自身を除く): 71405452

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 25301, 50602, 101204, 202408, 10145701, 20291402, 40582804, 81165608]

約数ペア:

[(1, 81165608), (2, 40582804), (4, 20291402), (8, 10145701), (401, 202408), (802, 101204), (1604, 50602), (3208, 25301)]