662730047

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{221723}}^1$

素因数の和:221798

約数の個数: 12

約数和(自身を含む): 783572616

約数和(自身を除く): 120842569

約数列:

[1, 7, 49, 61, 427, 2989, 221723, 1552061, 10864427, 13525103, 94675721, 662730047]

約数ペア:

[(1, 662730047), (7, 94675721), (49, 13525103), (61, 10864427), (427, 1552061), (2989, 221723)]