1285890668

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{2312753}}^1$

素因数の和:2312896

約数の個数: 12

約数和(自身を含む): 2266498920

約数和(自身を除く): 980608252

約数列:

[1, 2, 4, 139, 278, 556, 2312753, 4625506, 9251012, 321472667, 642945334, 1285890668]

約数ペア:

[(1, 1285890668), (2, 642945334), (4, 321472667), (139, 9251012), (278, 4625506), (556, 2312753)]