129250915

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{3889}}^1$

素因数の和:3951

約数の個数: 24

約数和(自身を含む): 171969120

約数和(自身を除く): 42718205

約数列:

[1, 5, 17, 23, 85, 115, 289, 391, 1445, 1955, 3889, 6647, 19445, 33235, 66113, 89447, 330565, 447235, 1123921, 1520599, 5619605, 7602995, 25850183, 129250915]

約数ペア:

[(1, 129250915), (5, 25850183), (17, 7602995), (23, 5619605), (85, 1520599), (115, 1123921), (289, 447235), (391, 330565), (1445, 89447), (1955, 66113), (3889, 33235), (6647, 19445)]