647942732

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{1543}}^1\times {\mathrm{1721}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 1153905312

約数和(自身を除く): 505962580

約数列:

[1, 2, 4, 61, 122, 244, 1543, 1721, 3086, 3442, 6172, 6884, 94123, 104981, 188246, 209962, 376492, 419924, 2655503, 5311006, 10622012, 161985683, 323971366, 647942732]

約数ペア:

[(1, 647942732), (2, 323971366), (4, 161985683), (61, 10622012), (122, 5311006), (244, 2655503), (1543, 419924), (1721, 376492), (3086, 209962), (3442, 188246), (6172, 104981), (6884, 94123)]