1640451878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{270791}}^1$

素因数の和:271039

約数の個数: 16

約数和(自身を含む): 2661343776

約数和(自身を除く): 1020891898

約数列:

[1, 2, 13, 26, 233, 466, 3029, 6058, 270791, 541582, 3520283, 7040566, 63094303, 126188606, 820225939, 1640451878]

約数ペア:

[(1, 1640451878), (2, 820225939), (13, 126188606), (26, 63094303), (233, 7040566), (466, 3520283), (3029, 541582), (6058, 270791)]