2155675

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 18

約数和(自身を含む): 2811452

約数和(自身を除く): 655777

約数列:

[1, 5, 23, 25, 115, 163, 529, 575, 815, 2645, 3749, 4075, 13225, 18745, 86227, 93725, 431135, 2155675]

約数ペア:

[(1, 2155675), (5, 431135), (23, 93725), (25, 86227), (115, 18745), (163, 13225), (529, 4075), (575, 3749), (815, 2645)]