778156947

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 1188734976

約数和(自身を除く): 410578029

約数列:

[1, 3, 9, 31, 71, 93, 163, 213, 241, 279, 489, 639, 723, 1467, 2169, 2201, 5053, 6603, 7471, 11573, 15159, 17111, 19809, 22413, 34719, 39283, 45477, 51333, 67239, 104157, 117849, 153999, 353547, 358763, 530441, 1076289, 1217773, 1591323, 2789093, 3228867, 3653319, 4773969, 8367279, 10959957, 25101837, 86461883, 259385649, 778156947]

約数ペア:

[(1, 778156947), (3, 259385649), (9, 86461883), (31, 25101837), (71, 10959957), (93, 8367279), (163, 4773969), (213, 3653319), (241, 3228867), (279, 2789093), (489, 1591323), (639, 1217773), (723, 1076289), (1467, 530441), (2169, 358763), (2201, 353547), (5053, 153999), (6603, 117849), (7471, 104157), (11573, 67239), (15159, 51333), (17111, 45477), (19809, 39283), (22413, 34719)]