221401082

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{687581}}^1$

素因数の和:687613

約数の個数: 16

約数和(自身を含む): 396047232

約数和(自身を除く): 174646150

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 687581, 1375162, 4813067, 9626134, 15814363, 31628726, 110700541, 221401082]

約数ペア:

[(1, 221401082), (2, 110700541), (7, 31628726), (14, 15814363), (23, 9626134), (46, 4813067), (161, 1375162), (322, 687581)]