890972404

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{75583}}^1$

素因数の和:76015

約数の個数: 24

約数和(自身を含む): 1786201088

約数和(自身を除く): 895228684

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 11788, 75583, 151166, 302332, 529081, 1058162, 2116324, 31820443, 63640886, 127281772, 222743101, 445486202, 890972404]

約数ペア:

[(1, 890972404), (2, 445486202), (4, 222743101), (7, 127281772), (14, 63640886), (28, 31820443), (421, 2116324), (842, 1058162), (1684, 529081), (2947, 302332), (5894, 151166), (11788, 75583)]