78828245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 27616555

約数列:

[1, 5, 19, 23, 43, 95, 115, 215, 437, 817, 839, 989, 2185, 4085, 4195, 4945, 15941, 18791, 19297, 36077, 79705, 93955, 96485, 180385, 366643, 685463, 829771, 1833215, 3427315, 4148855, 15765649, 78828245]

約数ペア:

[(1, 78828245), (5, 15765649), (19, 4148855), (23, 3427315), (43, 1833215), (95, 829771), (115, 685463), (215, 366643), (437, 180385), (817, 96485), (839, 93955), (989, 79705), (2185, 36077), (4085, 19297), (4195, 18791), (4945, 15941)]