209764528

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{319763}}^1$

素因数の和:319812

約数の個数: 20

約数和(自身を含む): 416332728

約数和(自身を除く): 206568200

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 319763, 639526, 1279052, 2558104, 5116208, 13110283, 26220566, 52441132, 104882264, 209764528]

約数ペア:

[(1, 209764528), (2, 104882264), (4, 52441132), (8, 26220566), (16, 13110283), (41, 5116208), (82, 2558104), (164, 1279052), (328, 639526), (656, 319763)]