216708471721

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{42701}}^1\times {\mathrm{17683}}^1$

素因数の和:60432

約数の個数: 16

約数和(自身を含む): 253727768448

約数和(自身を除く): 37019296727

約数列:

[1, 7, 41, 287, 17683, 42701, 123781, 298907, 725003, 1750741, 5075021, 12255187, 755081783, 5285572481, 30958353103, 216708471721]

約数ペア:

[(1, 216708471721), (7, 30958353103), (41, 5285572481), (287, 755081783), (17683, 12255187), (42701, 5075021), (123781, 1750741), (298907, 725003)]