290169908

素因数分解:

$2^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{19891}}^1$

素因数の和:20423

約数の個数: 24

約数和(自身を含む): 581482944

約数和(自身を除く): 291313036

約数列:

[1, 2, 4, 7, 14, 28, 521, 1042, 2084, 3647, 7294, 14588, 19891, 39782, 79564, 139237, 278474, 556948, 10363211, 20726422, 41452844, 72542477, 145084954, 290169908]

約数ペア:

[(1, 290169908), (2, 145084954), (4, 72542477), (7, 41452844), (14, 20726422), (28, 10363211), (521, 556948), (1042, 278474), (2084, 139237), (3647, 79564), (7294, 39782), (14588, 19891)]