108618839

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2428

約数の個数: 20

約数和(自身を含む): 133439640

約数和(自身を除く): 24820801

約数列:

[1, 7, 19, 49, 133, 343, 931, 2381, 2401, 6517, 16667, 45239, 45619, 116669, 316673, 816683, 2216711, 5716781, 15516977, 108618839]

約数ペア:

[(1, 108618839), (7, 15516977), (19, 5716781), (49, 2216711), (133, 816683), (343, 316673), (931, 116669), (2381, 45619), (2401, 45239), (6517, 16667)]