256567216

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{98377}}^1$

素因数の和:98548

約数の個数: 20

約数和(自身を含む): 500153752

約数和(自身を除く): 243586536

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 98377, 196754, 393508, 787016, 1574032, 16035451, 32070902, 64141804, 128283608, 256567216]

約数ペア:

[(1, 256567216), (2, 128283608), (4, 64141804), (8, 32070902), (16, 16035451), (163, 1574032), (326, 787016), (652, 393508), (1304, 196754), (2608, 98377)]