261308410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{4391}}^1$

素因数の和:4950

約数の個数: 32

約数和(自身を含む): 514180224

約数和(自身を除く): 252871814

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 541, 1082, 2705, 4391, 5410, 5951, 8782, 11902, 21955, 29755, 43910, 48301, 59510, 96602, 241505, 483010, 2375531, 4751062, 11877655, 23755310, 26130841, 52261682, 130654205, 261308410]

約数ペア:

[(1, 261308410), (2, 130654205), (5, 52261682), (10, 26130841), (11, 23755310), (22, 11877655), (55, 4751062), (110, 2375531), (541, 483010), (1082, 241505), (2705, 96602), (4391, 59510), (5410, 48301), (5951, 43910), (8782, 29755), (11902, 21955)]