31657910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2551}}^1$

素因数の和:2648

約数の個数: 32

約数和(自身を含む): 61186752

約数和(自身を除く): 29528842

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 365, 730, 1241, 2482, 2551, 5102, 6205, 12410, 12755, 25510, 43367, 86734, 186223, 216835, 372446, 433670, 931115, 1862230, 3165791, 6331582, 15828955, 31657910]

約数ペア:

[(1, 31657910), (2, 15828955), (5, 6331582), (10, 3165791), (17, 1862230), (34, 931115), (73, 433670), (85, 372446), (146, 216835), (170, 186223), (365, 86734), (730, 43367), (1241, 25510), (2482, 12755), (2551, 12410), (5102, 6205)]