28513656

素因数分解:

$2^3\times 3^2\times {\mathrm{239}}^1\times {\mathrm{1657}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 77594400

約数和(自身を除く): 49080744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 239, 478, 717, 956, 1434, 1657, 1912, 2151, 2868, 3314, 4302, 4971, 5736, 6628, 8604, 9942, 13256, 14913, 17208, 19884, 29826, 39768, 59652, 119304, 396023, 792046, 1188069, 1584092, 2376138, 3168184, 3564207, 4752276, 7128414, 9504552, 14256828, 28513656]

約数ペア:

[(1, 28513656), (2, 14256828), (3, 9504552), (4, 7128414), (6, 4752276), (8, 3564207), (9, 3168184), (12, 2376138), (18, 1584092), (24, 1188069), (36, 792046), (72, 396023), (239, 119304), (478, 59652), (717, 39768), (956, 29826), (1434, 19884), (1657, 17208), (1912, 14913), (2151, 13256), (2868, 9942), (3314, 8604), (4302, 6628), (4971, 5736)]