12991436

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 23199456

約数和(自身を除く): 10208020

約数列:

[1, 2, 4, 137, 151, 157, 274, 302, 314, 548, 604, 628, 20687, 21509, 23707, 41374, 43018, 47414, 82748, 86036, 94828, 3247859, 6495718, 12991436]

約数ペア:

[(1, 12991436), (2, 6495718), (4, 3247859), (137, 94828), (151, 86036), (157, 82748), (274, 47414), (302, 43018), (314, 41374), (548, 23707), (604, 21509), (628, 20687)]