78520043

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2182

約数の個数: 16

約数和(自身を含む): 92643264

約数和(自身を除く): 14123221

約数列:

[1, 7, 41, 137, 287, 959, 1997, 5617, 13979, 39319, 81877, 273589, 573139, 1915123, 11217149, 78520043]

約数ペア:

[(1, 78520043), (7, 11217149), (41, 1915123), (137, 573139), (287, 273589), (959, 81877), (1997, 39319), (5617, 13979)]