978150418

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{678329}}^1$

素因数の和:678441

約数の個数: 16

約数和(自身を含む): 1693111680

約数和(自身を除く): 714961262

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 678329, 1356658, 4748303, 9496606, 69867887, 139735774, 489075209, 978150418]

約数ペア:

[(1, 978150418), (2, 489075209), (7, 139735774), (14, 69867887), (103, 9496606), (206, 4748303), (721, 1356658), (1442, 678329)]