12885313

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 15492096

約数和(自身を除く): 2606783

約数列:

[1, 7, 23, 161, 163, 491, 1141, 3437, 3749, 11293, 26243, 79051, 80033, 560231, 1840759, 12885313]

約数ペア:

[(1, 12885313), (7, 1840759), (23, 560231), (161, 80033), (163, 79051), (491, 26243), (1141, 11293), (3437, 3749)]