257586552

素因数分解:

$2^3\times 3^2\times {\mathrm{239}}^1\times {\mathrm{14969}}^1$

素因数の和:15220

約数の個数: 48

約数和(自身を含む): 700596000

約数和(自身を除く): 443009448

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, 8604, 14969, 17208, 29938, 44907, 59876, 89814, 119752, 134721, 179628, 269442, 359256, 538884, 1077768, 3577591, 7155182, 10732773, 14310364, 21465546, 28620728, 32198319, 42931092, 64396638, 85862184, 128793276, 257586552]

約数ペア:

[(1, 257586552), (2, 128793276), (3, 85862184), (4, 64396638), (6, 42931092), (8, 32198319), (9, 28620728), (12, 21465546), (18, 14310364), (24, 10732773), (36, 7155182), (72, 3577591), (239, 1077768), (478, 538884), (717, 359256), (956, 269442), (1434, 179628), (1912, 134721), (2151, 119752), (2868, 89814), (4302, 59876), (5736, 44907), (8604, 29938), (14969, 17208)]