31360390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28771}}^1$

素因数の和:28887

約数の個数: 16

約数和(自身を含む): 56968560

約数和(自身を除く): 25608170

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 28771, 57542, 143855, 287710, 3136039, 6272078, 15680195, 31360390]

約数ペア:

[(1, 31360390), (2, 15680195), (5, 6272078), (10, 3136039), (109, 287710), (218, 143855), (545, 57542), (1090, 28771)]