331320016

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{505061}}^1$

素因数の和:505110

約数の個数: 20

約数和(自身を含む): 657590724

約数和(自身を除く): 326270708

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 505061, 1010122, 2020244, 4040488, 8080976, 20707501, 41415002, 82830004, 165660008, 331320016]

約数ペア:

[(1, 331320016), (2, 165660008), (4, 82830004), (8, 41415002), (16, 20707501), (41, 8080976), (82, 4040488), (164, 2020244), (328, 1010122), (656, 505061)]