31199530

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43943}}^1$

素因数の和:44021

約数の個数: 16

約数和(自身を含む): 56951424

約数和(自身を除く): 25751894

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 43943, 87886, 219715, 439430, 3119953, 6239906, 15599765, 31199530]

約数ペア:

[(1, 31199530), (2, 15599765), (5, 6239906), (10, 3119953), (71, 439430), (142, 219715), (355, 87886), (710, 43943)]