2193240005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{97499}}^1$

素因数の和:97924

約数の個数: 16

約数和(自身を含む): 2878200000

約数和(自身を除く): 684959995

約数列:

[1, 5, 11, 55, 409, 2045, 4499, 22495, 97499, 487495, 1072489, 5362445, 39877091, 199385455, 438648001, 2193240005]

約数ペア:

[(1, 2193240005), (5, 438648001), (11, 199385455), (55, 39877091), (409, 5362445), (2045, 1072489), (4499, 487495), (22495, 97499)]