8421330239

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{751}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 10726864896

約数和(自身を除く): 2305534657

約数列:

[1, 7, 17, 23, 119, 161, 241, 289, 391, 751, 1687, 2023, 2737, 4097, 5257, 5543, 6647, 12767, 17273, 28679, 38801, 46529, 69649, 89369, 94231, 120911, 180991, 217039, 293641, 487543, 659617, 1266937, 1519273, 1601927, 2055487, 3076847, 4162793, 4991897, 11213489, 21537929, 29139551, 34943279, 52306399, 70767481, 366144793, 495372367, 1203047177, 8421330239]

約数ペア:

[(1, 8421330239), (7, 1203047177), (17, 495372367), (23, 366144793), (119, 70767481), (161, 52306399), (241, 34943279), (289, 29139551), (391, 21537929), (751, 11213489), (1687, 4991897), (2023, 4162793), (2737, 3076847), (4097, 2055487), (5257, 1601927), (5543, 1519273), (6647, 1266937), (12767, 659617), (17273, 487543), (28679, 293641), (38801, 217039), (46529, 180991), (69649, 120911), (89369, 94231)]