199804774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{26591}}^1$

素因数の和:26640

約数の個数: 24

約数和(自身を含む): 342877248

約数和(自身を除く): 143072474

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 3757, 7514, 26591, 53182, 345683, 452047, 691366, 904094, 5876611, 7684799, 11753222, 15369598, 99902387, 199804774]

約数ペア:

[(1, 199804774), (2, 99902387), (13, 15369598), (17, 11753222), (26, 7684799), (34, 5876611), (221, 904094), (289, 691366), (442, 452047), (578, 345683), (3757, 53182), (7514, 26591)]