12751475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 17476560

約数和(自身を除く): 4725085

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 521, 979, 2225, 2605, 4895, 5731, 13025, 24475, 28655, 46369, 143275, 231845, 510059, 1159225, 2550295, 12751475]

約数ペア:

[(1, 12751475), (5, 2550295), (11, 1159225), (25, 510059), (55, 231845), (89, 143275), (275, 46369), (445, 28655), (521, 24475), (979, 13025), (2225, 5731), (2605, 4895)]