31212310

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43961}}^1$

素因数の和:44039

約数の個数: 16

約数和(自身を含む): 56974752

約数和(自身を除く): 25762442

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 43961, 87922, 219805, 439610, 3121231, 6242462, 15606155, 31212310]

約数ペア:

[(1, 31212310), (2, 15606155), (5, 6242462), (10, 3121231), (71, 439610), (142, 219805), (355, 87922), (710, 43961)]