13127825

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 36

約数和(自身を含む): 18272640

約数和(自身を除く): 5144815

約数列:

[1, 5, 17, 23, 25, 79, 85, 115, 289, 391, 395, 425, 575, 1343, 1445, 1817, 1955, 1975, 6647, 6715, 7225, 9085, 9775, 22831, 30889, 33235, 33575, 45425, 114155, 154445, 166175, 525113, 570775, 772225, 2625565, 13127825]

約数ペア:

[(1, 13127825), (5, 2625565), (17, 772225), (23, 570775), (25, 525113), (79, 166175), (85, 154445), (115, 114155), (289, 45425), (391, 33575), (395, 33235), (425, 30889), (575, 22831), (1343, 9775), (1445, 9085), (1817, 7225), (1955, 6715), (1975, 6647)]