158971561

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{2011}}^1$

素因数の和:2532

約数の個数: 16

約数和(自身を含む): 190061568

約数和(自身を除く): 31090007

約数列:

[1, 7, 23, 161, 491, 2011, 3437, 11293, 14077, 46253, 79051, 323771, 987401, 6911807, 22710223, 158971561]

約数ペア:

[(1, 158971561), (7, 22710223), (23, 6911807), (161, 987401), (491, 323771), (2011, 79051), (3437, 46253), (11293, 14077)]