291284262008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{809}}^1\times {\mathrm{853}}^1\times {\mathrm{2777}}^1$

素因数の和:4464

約数の個数: 64

約数和(自身を含む): 576496116000

約数和(自身を除く): 285211853992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 809, 853, 1618, 1706, 2777, 3236, 3412, 5554, 6472, 6824, 11108, 15371, 16207, 22216, 30742, 32414, 52763, 61484, 64828, 105526, 122968, 129656, 211052, 422104, 690077, 1380154, 2246593, 2368781, 2760308, 4493186, 4737562, 5520616, 8986372, 9475124, 13111463, 17972744, 18950248, 26222926, 42685267, 45006839, 52445852, 85370534, 90013678, 104891704, 170741068, 180027356, 341482136, 360054712, 1916343829, 3832687658, 7665375316, 15330750632, 36410532751, 72821065502, 145642131004, 291284262008]

約数ペア:

[(1, 291284262008), (2, 145642131004), (4, 72821065502), (8, 36410532751), (19, 15330750632), (38, 7665375316), (76, 3832687658), (152, 1916343829), (809, 360054712), (853, 341482136), (1618, 180027356), (1706, 170741068), (2777, 104891704), (3236, 90013678), (3412, 85370534), (5554, 52445852), (6472, 45006839), (6824, 42685267), (11108, 26222926), (15371, 18950248), (16207, 17972744), (22216, 13111463), (30742, 9475124), (32414, 8986372), (52763, 5520616), (61484, 4737562), (64828, 4493186), (105526, 2760308), (122968, 2368781), (129656, 2246593), (211052, 1380154), (422104, 690077)]