257257656

素因数分解:

$2^3\times 3^2\times {\mathrm{277}}^1\times {\mathrm{12899}}^1$

素因数の和:13188

約数の個数: 48

約数和(自身を含む): 699309000

約数和(自身を除く): 442051344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277, 554, 831, 1108, 1662, 2216, 2493, 3324, 4986, 6648, 9972, 12899, 19944, 25798, 38697, 51596, 77394, 103192, 116091, 154788, 232182, 309576, 464364, 928728, 3573023, 7146046, 10719069, 14292092, 21438138, 28584184, 32157207, 42876276, 64314414, 85752552, 128628828, 257257656]

約数ペア:

[(1, 257257656), (2, 128628828), (3, 85752552), (4, 64314414), (6, 42876276), (8, 32157207), (9, 28584184), (12, 21438138), (18, 14292092), (24, 10719069), (36, 7146046), (72, 3573023), (277, 928728), (554, 464364), (831, 309576), (1108, 232182), (1662, 154788), (2216, 116091), (2493, 103192), (3324, 77394), (4986, 51596), (6648, 38697), (9972, 25798), (12899, 19944)]