219763225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{72649}}^1$

素因数の和:72681

約数の個数: 18

約数和(自身を含む): 299535950

約数和(自身を除く): 79772725

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 72649, 363245, 799139, 1816225, 3995695, 8790529, 19978475, 43952645, 219763225]

約数ペア:

[(1, 219763225), (5, 43952645), (11, 19978475), (25, 8790529), (55, 3995695), (121, 1816225), (275, 799139), (605, 363245), (3025, 72649)]