8221925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 10832640

約数和(自身を除く): 2610715

約数列:

[1, 5, 23, 25, 79, 115, 181, 395, 575, 905, 1817, 1975, 4163, 4525, 9085, 14299, 20815, 45425, 71495, 104075, 328877, 357475, 1644385, 8221925]

約数ペア:

[(1, 8221925), (5, 1644385), (23, 357475), (25, 328877), (79, 104075), (115, 71495), (181, 45425), (395, 20815), (575, 14299), (905, 9085), (1817, 4525), (1975, 4163)]