209218254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{4981387}}^1$

素因数の和:4981399

約数の個数: 16

約数和(自身を含む): 478213248

約数和(自身を除く): 268994994

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 4981387, 9962774, 14944161, 29888322, 34869709, 69739418, 104609127, 209218254]

約数ペア:

[(1, 209218254), (2, 104609127), (3, 69739418), (6, 34869709), (7, 29888322), (14, 14944161), (21, 9962774), (42, 4981387)]