427131856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1405039}}^1$

素因数の和:1405066

約数の個数: 20

約数和(自身を含む): 871124800

約数和(自身を除く): 443992944

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1405039, 2810078, 5620156, 11240312, 22480624, 26695741, 53391482, 106782964, 213565928, 427131856]

約数ペア:

[(1, 427131856), (2, 213565928), (4, 106782964), (8, 53391482), (16, 26695741), (19, 22480624), (38, 11240312), (76, 5620156), (152, 2810078), (304, 1405039)]