257507161

素因数分解:

${\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 269483536

約数和(自身を除く): 11976375

約数列:

[1, 37, 97, 157, 457, 3589, 5809, 15229, 16909, 44329, 71749, 563473, 1640173, 2654713, 6959653, 257507161]

約数ペア:

[(1, 257507161), (37, 6959653), (97, 2654713), (157, 1640173), (457, 563473), (3589, 71749), (5809, 44329), (15229, 16909)]