47887945

素因数分解:

$5^1\times 7^4\times {\mathrm{3989}}^1$

素因数の和:4022

約数の個数: 20

約数和(自身を含む): 67055940

約数和(自身を除く): 19167995

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2401, 3989, 12005, 19945, 27923, 139615, 195461, 977305, 1368227, 6841135, 9577589, 47887945]

約数ペア:

[(1, 47887945), (5, 9577589), (7, 6841135), (35, 1368227), (49, 977305), (245, 195461), (343, 139615), (1715, 27923), (2401, 19945), (3989, 12005)]