66776521

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{1721}}^1$

素因数の和:1992

約数の個数: 16

約数和(自身を含む): 80011008

約数和(自身を除く): 13234487

約数列:

[1, 7, 23, 161, 241, 1687, 1721, 5543, 12047, 38801, 39583, 277081, 414761, 2903327, 9539503, 66776521]

約数ペア:

[(1, 66776521), (7, 9539503), (23, 2903327), (161, 414761), (241, 277081), (1687, 39583), (1721, 38801), (5543, 12047)]