681566354

素因数分解:

$2^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{73651}}^1$

素因数の和:74321

約数の個数: 16

約数和(自身を含む): 1170182976

約数和(自身を除く): 488616622

約数列:

[1, 2, 7, 14, 661, 1322, 4627, 9254, 73651, 147302, 515557, 1031114, 48683311, 97366622, 340783177, 681566354]

約数ペア:

[(1, 681566354), (2, 340783177), (7, 97366622), (14, 48683311), (661, 1031114), (1322, 515557), (4627, 147302), (9254, 73651)]