261256490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2375059}}^1$

素因数の和:2375077

約数の個数: 16

約数和(自身を含む): 513012960

約数和(自身を除く): 251756470

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 2375059, 4750118, 11875295, 23750590, 26125649, 52251298, 130628245, 261256490]

約数ペア:

[(1, 261256490), (2, 130628245), (5, 52251298), (10, 26125649), (11, 23750590), (22, 11875295), (55, 4750118), (110, 2375059)]