31521586

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1597}}^1$

素因数の和:1809

約数の個数: 16

約数和(自身を含む): 48323520

約数和(自身を除く): 16801934

約数列:

[1, 2, 71, 139, 142, 278, 1597, 3194, 9869, 19738, 113387, 221983, 226774, 443966, 15760793, 31521586]

約数ペア:

[(1, 31521586), (2, 15760793), (71, 443966), (139, 226774), (142, 221983), (278, 113387), (1597, 19738), (3194, 9869)]