81308908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{655717}}^1$

素因数の和:655752

約数の個数: 12

約数和(自身を含む): 146880832

約数和(自身を除く): 65571924

約数列:

[1, 2, 4, 31, 62, 124, 655717, 1311434, 2622868, 20327227, 40654454, 81308908]

約数ペア:

[(1, 81308908), (2, 40654454), (4, 20327227), (31, 2622868), (62, 1311434), (124, 655717)]