664702972

素因数分解:

$2^2\times {\mathrm{389}}^1\times {\mathrm{631}}^1\times {\mathrm{677}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 1169794080

約数和(自身を除く): 505091108

約数列:

[1, 2, 4, 389, 631, 677, 778, 1262, 1354, 1556, 2524, 2708, 245459, 263353, 427187, 490918, 526706, 854374, 981836, 1053412, 1708748, 166175743, 332351486, 664702972]

約数ペア:

[(1, 664702972), (2, 332351486), (4, 166175743), (389, 1708748), (631, 1053412), (677, 981836), (778, 854374), (1262, 526706), (1354, 490918), (1556, 427187), (2524, 263353), (2708, 245459)]