2011559915

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{1423}}^1\times {\mathrm{9749}}^1$

素因数の和:11206

約数の個数: 16

約数和(自身を含む): 2499120000

約数和(自身を除く): 487560085

約数列:

[1, 5, 29, 145, 1423, 7115, 9749, 41267, 48745, 206335, 282721, 1413605, 13872827, 69364135, 402311983, 2011559915]

約数ペア:

[(1, 2011559915), (5, 402311983), (29, 69364135), (145, 13872827), (1423, 1413605), (7115, 282721), (9749, 206335), (41267, 48745)]