78172199

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{233}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 94112928

約数和(自身を除く): 15940729

約数列:

[1, 7, 41, 49, 167, 233, 287, 1169, 1631, 2009, 6847, 8183, 9553, 11417, 38911, 47929, 66871, 272377, 335503, 468097, 1595351, 1906639, 11167457, 78172199]

約数ペア:

[(1, 78172199), (7, 11167457), (41, 1906639), (49, 1595351), (167, 468097), (233, 335503), (287, 272377), (1169, 66871), (1631, 47929), (2009, 38911), (6847, 11417), (8183, 9553)]