389626856

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{1987}}^1$

素因数の和:2313

約数の個数: 32

約数和(自身を含む): 740490240

約数和(自身を除く): 350863384

約数列:

[1, 2, 4, 8, 127, 193, 254, 386, 508, 772, 1016, 1544, 1987, 3974, 7948, 15896, 24511, 49022, 98044, 196088, 252349, 383491, 504698, 766982, 1009396, 1533964, 2018792, 3067928, 48703357, 97406714, 194813428, 389626856]

約数ペア:

[(1, 389626856), (2, 194813428), (4, 97406714), (8, 48703357), (127, 3067928), (193, 2018792), (254, 1533964), (386, 1009396), (508, 766982), (772, 504698), (1016, 383491), (1544, 252349), (1987, 196088), (3974, 98044), (7948, 49022), (15896, 24511)]