388996895

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 541956096

約数和(自身を除く): 152959201

約数列:

[1, 5, 7, 35, 107, 241, 431, 535, 749, 1205, 1687, 2155, 3017, 3745, 8435, 15085, 25787, 46117, 103871, 128935, 180509, 230585, 322819, 519355, 727097, 902545, 1614095, 3635485, 11114197, 55570985, 77799379, 388996895]

約数ペア:

[(1, 388996895), (5, 77799379), (7, 55570985), (35, 11114197), (107, 3635485), (241, 1614095), (431, 902545), (535, 727097), (749, 519355), (1205, 322819), (1687, 230585), (2155, 180509), (3017, 128935), (3745, 103871), (8435, 46117), (15085, 25787)]