128610013

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1116

約数の個数: 16

約数和(自身を含む): 149610240

約数和(自身を除く): 21000227

約数列:

[1, 7, 73, 389, 511, 647, 2723, 4529, 28397, 47231, 198779, 251683, 330617, 1761781, 18372859, 128610013]

約数ペア:

[(1, 128610013), (7, 18372859), (73, 1761781), (389, 330617), (511, 251683), (647, 198779), (2723, 47231), (4529, 28397)]