64400161

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{57143}}^1$

素因数の和:57180

約数の個数: 12

約数和(自身を含む): 78172992

約数和(自身を除く): 13772831

約数列:

[1, 7, 23, 49, 161, 1127, 57143, 400001, 1314289, 2800007, 9200023, 64400161]

約数ペア:

[(1, 64400161), (7, 9200023), (23, 2800007), (49, 1314289), (161, 400001), (1127, 57143)]