31215734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{5521}}^1$

素因数の和:5791

約数の個数: 16

約数和(自身を含む): 51288336

約数和(自身を除く): 20072602

約数列:

[1, 2, 11, 22, 257, 514, 2827, 5521, 5654, 11042, 60731, 121462, 1418897, 2837794, 15607867, 31215734]

約数ペア:

[(1, 31215734), (2, 15607867), (11, 2837794), (22, 1418897), (257, 121462), (514, 60731), (2827, 11042), (5521, 5654)]