217997346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{5190413}}^1$

素因数の和:5190425

約数の個数: 16

約数和(自身を含む): 498279744

約数和(自身を除く): 280282398

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 5190413, 10380826, 15571239, 31142478, 36332891, 72665782, 108998673, 217997346]

約数ペア:

[(1, 217997346), (2, 108998673), (3, 72665782), (6, 36332891), (7, 31142478), (14, 15571239), (21, 10380826), (42, 5190413)]