128242825

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{9697}}^1$

素因数の和:9753

約数の個数: 18

約数和(自身を含む): 166252814

約数和(自身を除く): 38009989

約数列:

[1, 5, 23, 25, 115, 529, 575, 2645, 9697, 13225, 48485, 223031, 242425, 1115155, 5129713, 5575775, 25648565, 128242825]

約数ペア:

[(1, 128242825), (5, 25648565), (23, 5575775), (25, 5129713), (115, 1115155), (529, 242425), (575, 223031), (2645, 48485), (9697, 13225)]