268307216

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{26161}}^1$

素因数の和:26810

約数の個数: 20

約数和(自身を含む): 520676124

約数和(自身を除く): 252368908

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 26161, 52322, 104644, 209288, 418576, 16769201, 33538402, 67076804, 134153608, 268307216]

約数ペア:

[(1, 268307216), (2, 134153608), (4, 67076804), (8, 33538402), (16, 16769201), (641, 418576), (1282, 209288), (2564, 104644), (5128, 52322), (10256, 26161)]