131451912

素因数分解:

$2^3\times 3^2\times {\mathrm{239}}^1\times {\mathrm{7639}}^1$

素因数の和:7890

約数の個数: 48

約数和(自身を含む): 357552000

約数和(自身を除く): 226100088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 239, 478, 717, 956, 1434, 1912, 2151, 2868, 4302, 5736, 7639, 8604, 15278, 17208, 22917, 30556, 45834, 61112, 68751, 91668, 137502, 183336, 275004, 550008, 1825721, 3651442, 5477163, 7302884, 10954326, 14605768, 16431489, 21908652, 32862978, 43817304, 65725956, 131451912]

約数ペア:

[(1, 131451912), (2, 65725956), (3, 43817304), (4, 32862978), (6, 21908652), (8, 16431489), (9, 14605768), (12, 10954326), (18, 7302884), (24, 5477163), (36, 3651442), (72, 1825721), (239, 550008), (478, 275004), (717, 183336), (956, 137502), (1434, 91668), (1912, 68751), (2151, 61112), (2868, 45834), (4302, 30556), (5736, 22917), (7639, 17208), (8604, 15278)]