12910885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 16765056

約数和(自身を除く): 3854171

約数列:

[1, 5, 13, 65, 307, 647, 1535, 3235, 3991, 8411, 19955, 42055, 198629, 993145, 2582177, 12910885]

約数ペア:

[(1, 12910885), (5, 2582177), (13, 993145), (65, 198629), (307, 42055), (647, 19955), (1535, 8411), (3235, 3991)]