221367905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1579}}^1\times {\mathrm{2549}}^1$

素因数の和:4144

約数の個数: 16

約数和(自身を含む): 290088000

約数和(自身を除く): 68720095

約数列:

[1, 5, 11, 55, 1579, 2549, 7895, 12745, 17369, 28039, 86845, 140195, 4024871, 20124355, 44273581, 221367905]

約数ペア:

[(1, 221367905), (5, 44273581), (11, 20124355), (55, 4024871), (1579, 140195), (2549, 86845), (7895, 28039), (12745, 17369)]