3947065928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1997503}}^1$

素因数の和:1997541

約数の個数: 32

約数和(自身を含む): 8389516800

約数和(自身を除く): 4442450872

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 1997503, 3995006, 7990012, 15980024, 25967539, 37952557, 51935078, 75905114, 103870156, 151810228, 207740312, 303620456, 493383241, 986766482, 1973532964, 3947065928]

約数ペア:

[(1, 3947065928), (2, 1973532964), (4, 986766482), (8, 493383241), (13, 303620456), (19, 207740312), (26, 151810228), (38, 103870156), (52, 75905114), (76, 51935078), (104, 37952557), (152, 25967539), (247, 15980024), (494, 7990012), (988, 3995006), (1976, 1997503)]