225556990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{550139}}^1$

素因数の和:550187

約数の個数: 16

約数和(自身を含む): 415905840

約数和(自身を除く): 190348850

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 550139, 1100278, 2750695, 5501390, 22555699, 45111398, 112778495, 225556990]

約数ペア:

[(1, 225556990), (2, 112778495), (5, 45111398), (10, 22555699), (41, 5501390), (82, 2750695), (205, 1100278), (410, 550139)]