2890111

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 3571200

約数和(自身を除く): 681089

約数列:

[1, 7, 23, 29, 161, 203, 619, 667, 4333, 4669, 14237, 17951, 99659, 125657, 412873, 2890111]

約数ペア:

[(1, 2890111), (7, 412873), (23, 125657), (29, 99659), (161, 17951), (203, 14237), (619, 4669), (667, 4333)]