865264

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1319}}^1$

素因数の和:1368

約数の個数: 20

約数和(自身を含む): 1718640

約数和(自身を除く): 853376

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1319, 2638, 5276, 10552, 21104, 54079, 108158, 216316, 432632, 865264]

約数ペア:

[(1, 865264), (2, 432632), (4, 216316), (8, 108158), (16, 54079), (41, 21104), (82, 10552), (164, 5276), (328, 2638), (656, 1319)]