2489123

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1646

約数の個数: 16

約数和(自身を含む): 3245760

約数和(自身を除く): 756637

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 1609, 11263, 20917, 27353, 146419, 191471, 355589, 2489123]

約数ペア:

[(1, 2489123), (7, 355589), (13, 191471), (17, 146419), (91, 27353), (119, 20917), (221, 11263), (1547, 1609)]