2581943

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1669}}^1$

素因数の和:1706

約数の個数: 16

約数和(自身を含む): 3366720

約数和(自身を除く): 784777

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 1669, 11683, 21697, 28373, 151879, 198611, 368849, 2581943]

約数ペア:

[(1, 2581943), (7, 368849), (13, 198611), (17, 151879), (91, 28373), (119, 21697), (221, 11683), (1547, 1669)]