222155888

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{322901}}^1$

素因数の和:322952

約数の個数: 20

約数和(自身を含む): 440438328

約数和(自身を除く): 218282440

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 322901, 645802, 1291604, 2583208, 5166416, 13884743, 27769486, 55538972, 111077944, 222155888]

約数ペア:

[(1, 222155888), (2, 111077944), (4, 55538972), (8, 27769486), (16, 13884743), (43, 5166416), (86, 2583208), (172, 1291604), (344, 645802), (688, 322901)]