243991657

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{19571}}^1$

素因数の和:19728

約数の個数: 16

約数和(自身を含む): 302504832

約数和(自身を除く): 58513175

約数列:

[1, 7, 13, 91, 137, 959, 1781, 12467, 19571, 136997, 254423, 1780961, 2681227, 18768589, 34855951, 243991657]

約数ペア:

[(1, 243991657), (7, 34855951), (13, 18768589), (91, 2681227), (137, 1780961), (959, 254423), (1781, 136997), (12467, 19571)]