42507725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{10061}}^1$

素因数の和:10097

約数の個数: 18

約数和(自身を含む): 57081726

約数和(自身を除く): 14574001

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 10061, 50305, 130793, 251525, 653965, 1700309, 3269825, 8501545, 42507725]

約数ペア:

[(1, 42507725), (5, 8501545), (13, 3269825), (25, 1700309), (65, 653965), (169, 251525), (325, 130793), (845, 50305), (4225, 10061)]