250000004241

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3371}}^1\times {\mathrm{14741}}^1$

素因数の和:18174

約数の個数: 48

約数和(自身を含む): 398077872192

約数和(自身を除く): 148077867951

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 3371, 5031, 10113, 14741, 30339, 43823, 44223, 131469, 132669, 144953, 191633, 394407, 434859, 574899, 633863, 1304577, 1724697, 1884389, 1901589, 5653167, 5704767, 8240219, 16959501, 24720657, 49691911, 74161971, 149075733, 447227199, 645994843, 1937984529, 2136752173, 5813953587, 6410256519, 19230769557, 27777778249, 83333334747, 250000004241]

約数ペア:

[(1, 250000004241), (3, 83333334747), (9, 27777778249), (13, 19230769557), (39, 6410256519), (43, 5813953587), (117, 2136752173), (129, 1937984529), (387, 645994843), (559, 447227199), (1677, 149075733), (3371, 74161971), (5031, 49691911), (10113, 24720657), (14741, 16959501), (30339, 8240219), (43823, 5704767), (44223, 5653167), (131469, 1901589), (132669, 1884389), (144953, 1724697), (191633, 1304577), (394407, 633863), (434859, 574899)]