221071278

素因数分解:

$2^1\times 3^1\times {\mathrm{1831}}^1\times {\mathrm{20123}}^1$

素因数の和:21959

約数の個数: 16

約数和(自身を含む): 442406016

約数和(自身を除く): 221334738

約数列:

[1, 2, 3, 6, 1831, 3662, 5493, 10986, 20123, 40246, 60369, 120738, 36845213, 73690426, 110535639, 221071278]

約数ペア:

[(1, 221071278), (2, 110535639), (3, 73690426), (6, 36845213), (1831, 120738), (3662, 60369), (5493, 40246), (10986, 20123)]