1691390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2141}}^1$

素因数の和:2227

約数の個数: 16

約数和(自身を含む): 3084480

約数和(自身を除く): 1393090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 2141, 4282, 10705, 21410, 169139, 338278, 845695, 1691390]

約数ペア:

[(1, 1691390), (2, 845695), (5, 338278), (10, 169139), (79, 21410), (158, 10705), (395, 4282), (790, 2141)]