256522878

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{33851}}^1$

素因数の和:34280

約数の個数: 24

約数和(自身を含む): 557136216

約数和(自身を除く): 300613338

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 3789, 7578, 33851, 67702, 101553, 203106, 304659, 609318, 14251271, 28502542, 42753813, 85507626, 128261439, 256522878]

約数ペア:

[(1, 256522878), (2, 128261439), (3, 85507626), (6, 42753813), (9, 28502542), (18, 14251271), (421, 609318), (842, 304659), (1263, 203106), (2526, 101553), (3789, 67702), (7578, 33851)]