12490225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{4129}}^1$

素因数の和:4161

約数の個数: 18

約数和(自身を含む): 17027990

約数和(自身を除く): 4537765

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 4129, 20645, 45419, 103225, 227095, 499609, 1135475, 2498045, 12490225]

約数ペア:

[(1, 12490225), (5, 2498045), (11, 1135475), (25, 499609), (55, 227095), (121, 103225), (275, 45419), (605, 20645), (3025, 4129)]