8912990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21739}}^1$

素因数の和:21787

約数の個数: 16

約数和(自身を含む): 16435440

約数和(自身を除く): 7522450

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 21739, 43478, 108695, 217390, 891299, 1782598, 4456495, 8912990]

約数ペア:

[(1, 8912990), (2, 4456495), (5, 1782598), (10, 891299), (41, 217390), (82, 108695), (205, 43478), (410, 21739)]