8212778889

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{2539}}^1$

素因数の和:2790

約数の個数: 64

約数和(自身を含む): 13491179520

約数和(自身を除く): 5278400631

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 181, 259, 483, 543, 777, 851, 1267, 2539, 2553, 3801, 4163, 5957, 6697, 7617, 12489, 17773, 17871, 20091, 29141, 46879, 53319, 58397, 87423, 93943, 140637, 154031, 175191, 281829, 408779, 459559, 462093, 657601, 1078217, 1226337, 1378677, 1972803, 2160689, 3216913, 3234651, 6482067, 9650739, 10569857, 15124823, 17003683, 31709571, 45374469, 51011049, 73988999, 119025781, 221966997, 357077343, 391084709, 1173254127, 2737592963, 8212778889]

約数ペア:

[(1, 8212778889), (3, 2737592963), (7, 1173254127), (21, 391084709), (23, 357077343), (37, 221966997), (69, 119025781), (111, 73988999), (161, 51011049), (181, 45374469), (259, 31709571), (483, 17003683), (543, 15124823), (777, 10569857), (851, 9650739), (1267, 6482067), (2539, 3234651), (2553, 3216913), (3801, 2160689), (4163, 1972803), (5957, 1378677), (6697, 1226337), (7617, 1078217), (12489, 657601), (17773, 462093), (17871, 459559), (20091, 408779), (29141, 281829), (46879, 175191), (53319, 154031), (58397, 140637), (87423, 93943)]