256220848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1231831}}^1$

素因数の和:1231852

約数の個数: 20

約数和(自身を含む): 534615088

約数和(自身を除く): 278394240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1231831, 2463662, 4927324, 9854648, 16013803, 19709296, 32027606, 64055212, 128110424, 256220848]

約数ペア:

[(1, 256220848), (2, 128110424), (4, 64055212), (8, 32027606), (13, 19709296), (16, 16013803), (26, 9854648), (52, 4927324), (104, 2463662), (208, 1231831)]