1990431142

素因数分解:

$2^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{872231}}^1$

素因数の和:872403

約数の個数: 16

約数和(自身を含む): 3433105152

約数和(自身を除く): 1442674010

約数列:

[1, 2, 7, 14, 163, 326, 1141, 2282, 872231, 1744462, 6105617, 12211234, 142173653, 284347306, 995215571, 1990431142]

約数ペア:

[(1, 1990431142), (2, 995215571), (7, 284347306), (14, 142173653), (163, 12211234), (326, 6105617), (1141, 1744462), (2282, 872231)]