31286270

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28703}}^1$

素因数の和:28819

約数の個数: 16

約数和(自身を含む): 56833920

約数和(自身を除く): 25547650

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 28703, 57406, 143515, 287030, 3128627, 6257254, 15643135, 31286270]

約数ペア:

[(1, 31286270), (2, 15643135), (5, 6257254), (10, 3128627), (109, 287030), (218, 143515), (545, 57406), (1090, 28703)]