8257039

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 20

約数和(自身を含む): 10195640

約数和(自身を除く): 1938601

約数列:

[1, 7, 19, 49, 133, 181, 343, 931, 1267, 2401, 3439, 6517, 8869, 24073, 45619, 62083, 168511, 434581, 1179577, 8257039]

約数ペア:

[(1, 8257039), (7, 1179577), (19, 434581), (49, 168511), (133, 62083), (181, 45619), (343, 24073), (931, 8869), (1267, 6517), (2401, 3439)]