331489264

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{505319}}^1$

素因数の和:505368

約数の個数: 20

約数和(自身を含む): 657926640

約数和(自身を除く): 326437376

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 505319, 1010638, 2021276, 4042552, 8085104, 20718079, 41436158, 82872316, 165744632, 331489264]

約数ペア:

[(1, 331489264), (2, 165744632), (4, 82872316), (8, 41436158), (16, 20718079), (41, 8085104), (82, 4042552), (164, 2021276), (328, 1010638), (656, 505319)]