7981075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 10646640

約数和(自身を除く): 2665565

約数列:

[1, 5, 17, 25, 85, 89, 211, 425, 445, 1055, 1513, 2225, 3587, 5275, 7565, 17935, 18779, 37825, 89675, 93895, 319243, 469475, 1596215, 7981075]

約数ペア:

[(1, 7981075), (5, 1596215), (17, 469475), (25, 319243), (85, 93895), (89, 89675), (211, 37825), (425, 18779), (445, 17935), (1055, 7565), (1513, 5275), (2225, 3587)]