331216

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 20

約数和(自身を含む): 650752

約数和(自身を除く): 319536

約数列:

[1, 2, 4, 8, 16, 127, 163, 254, 326, 508, 652, 1016, 1304, 2032, 2608, 20701, 41402, 82804, 165608, 331216]

約数ペア:

[(1, 331216), (2, 165608), (4, 82804), (8, 41402), (16, 20701), (127, 2608), (163, 2032), (254, 1304), (326, 1016), (508, 652)]