2271995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 3011040

約数和(自身を除く): 739045

約数列:

[1, 5, 11, 55, 101, 409, 505, 1111, 2045, 4499, 5555, 22495, 41309, 206545, 454399, 2271995]

約数ペア:

[(1, 2271995), (5, 454399), (11, 206545), (55, 41309), (101, 22495), (409, 5555), (505, 4499), (1111, 2045)]