256513033

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{12511}}^1$

素因数の和:12648

約数の個数: 16

約数和(自身を含む): 306293760

約数和(自身を除く): 49780727

約数列:

[1, 7, 29, 101, 203, 707, 2929, 12511, 20503, 87577, 362819, 1263611, 2539733, 8845277, 36644719, 256513033]

約数ペア:

[(1, 256513033), (7, 36644719), (29, 8845277), (101, 2539733), (203, 1263611), (707, 362819), (2929, 87577), (12511, 20503)]