408078138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1\times {\mathrm{2633}}^1$

素因数の和:4638

約数の個数: 32

約数和(自身を含む): 879713856

約数和(自身を除く): 471635718

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1987, 2633, 3974, 5266, 5961, 7899, 11922, 15798, 25831, 34229, 51662, 68458, 77493, 102687, 154986, 205374, 5231771, 10463542, 15695313, 31390626, 68013023, 136026046, 204039069, 408078138]

約数ペア:

[(1, 408078138), (2, 204039069), (3, 136026046), (6, 68013023), (13, 31390626), (26, 15695313), (39, 10463542), (78, 5231771), (1987, 205374), (2633, 154986), (3974, 102687), (5266, 77493), (5961, 68458), (7899, 51662), (11922, 34229), (15798, 25831)]