87470257

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1\times {\mathrm{739}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 103031680

約数和(自身を除く): 15561423

約数列:

[1, 7, 37, 259, 457, 739, 3199, 5173, 16909, 27343, 118363, 191401, 337723, 2364061, 12495751, 87470257]

約数ペア:

[(1, 87470257), (7, 12495751), (37, 2364061), (259, 337723), (457, 191401), (739, 118363), (3199, 27343), (5173, 16909)]