291255858439

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{19879589}}^1$

素因数の和:19879639

約数の個数: 24

約数和(自身を含む): 380733907680

約数和(自身を除く): 89478049241

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 2093, 14651, 19879589, 139157123, 258434657, 457230547, 974099861, 1809042599, 3200613829, 5943997111, 12663298193, 22404296803, 41607979777, 291255858439]

約数ペア:

[(1, 291255858439), (7, 41607979777), (13, 22404296803), (23, 12663298193), (49, 5943997111), (91, 3200613829), (161, 1809042599), (299, 974099861), (637, 457230547), (1127, 258434657), (2093, 139157123), (14651, 19879589)]