257996826

素因数分解:

$2^1\times 3^4\times {\mathrm{1592573}}^1$

素因数の和:1592587

約数の個数: 20

約数和(自身を含む): 578104362

約数和(自身を除く): 320107536

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1592573, 3185146, 4777719, 9555438, 14333157, 28666314, 42999471, 85998942, 128998413, 257996826]

約数ペア:

[(1, 257996826), (2, 128998413), (3, 85998942), (6, 42999471), (9, 28666314), (18, 14333157), (27, 9555438), (54, 4777719), (81, 3185146), (162, 1592573)]