858309904

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{409499}}^1$

素因数の和:409638

約数の個数: 20

約数和(自身を含む): 1675674000

約数和(自身を除く): 817364096

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 409499, 818998, 1637996, 3275992, 6551984, 53644369, 107288738, 214577476, 429154952, 858309904]

約数ペア:

[(1, 858309904), (2, 429154952), (4, 214577476), (8, 107288738), (16, 53644369), (131, 6551984), (262, 3275992), (524, 1637996), (1048, 818998), (2096, 409499)]