31405630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{10867}}^1$

素因数の和:10908

約数の個数: 24

約数和(自身を含む): 60056568

約数和(自身を除く): 28650938

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 10867, 21734, 54335, 108670, 184739, 369478, 923695, 1847390, 3140563, 6281126, 15702815, 31405630]

約数ペア:

[(1, 31405630), (2, 15702815), (5, 6281126), (10, 3140563), (17, 1847390), (34, 923695), (85, 369478), (170, 184739), (289, 108670), (578, 54335), (1445, 21734), (2890, 10867)]