22721995

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 28103040

約数和(自身を除く): 5381045

約数列:

[1, 5, 41, 205, 271, 409, 1355, 2045, 11111, 16769, 55555, 83845, 110839, 554195, 4544399, 22721995]

約数ペア:

[(1, 22721995), (5, 4544399), (41, 554195), (205, 110839), (271, 83845), (409, 55555), (1355, 16769), (2045, 11111)]