2391912

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 6552000

約数和(自身を除く): 4160088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 239, 278, 417, 478, 556, 717, 834, 956, 1112, 1251, 1434, 1668, 1912, 2151, 2502, 2868, 3336, 4302, 5004, 5736, 8604, 10008, 17208, 33221, 66442, 99663, 132884, 199326, 265768, 298989, 398652, 597978, 797304, 1195956, 2391912]

約数ペア:

[(1, 2391912), (2, 1195956), (3, 797304), (4, 597978), (6, 398652), (8, 298989), (9, 265768), (12, 199326), (18, 132884), (24, 99663), (36, 66442), (72, 33221), (139, 17208), (239, 10008), (278, 8604), (417, 5736), (478, 5004), (556, 4302), (717, 3336), (834, 2868), (956, 2502), (1112, 2151), (1251, 1912), (1434, 1668)]