139220290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1265639}}^1$

素因数の和:1265657

約数の個数: 16

約数和(自身を含む): 273378240

約数和(自身を除く): 134157950

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1265639, 2531278, 6328195, 12656390, 13922029, 27844058, 69610145, 139220290]

約数ペア:

[(1, 139220290), (2, 69610145), (5, 27844058), (10, 13922029), (11, 12656390), (22, 6328195), (55, 2531278), (110, 1265639)]