31178230

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43913}}^1$

素因数の和:43991

約数の個数: 16

約数和(自身を含む): 56912544

約数和(自身を除く): 25734314

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 43913, 87826, 219565, 439130, 3117823, 6235646, 15589115, 31178230]

約数ペア:

[(1, 31178230), (2, 15589115), (5, 6235646), (10, 3117823), (71, 439130), (142, 219565), (355, 87826), (710, 43913)]