12990295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2281}}^1$

素因数の和:2370

約数の個数: 16

約数和(自身を含む): 16759008

約数和(自身を除く): 3768713

約数列:

[1, 5, 17, 67, 85, 335, 1139, 2281, 5695, 11405, 38777, 152827, 193885, 764135, 2598059, 12990295]

約数ペア:

[(1, 12990295), (5, 2598059), (17, 764135), (67, 193885), (85, 152827), (335, 38777), (1139, 11405), (2281, 5695)]