661744

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{701}}^1$

素因数の和:768

約数の個数: 20

約数和(自身を含む): 1305720

約数和(自身を除く): 643976

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 701, 944, 1402, 2804, 5608, 11216, 41359, 82718, 165436, 330872, 661744]

約数ペア:

[(1, 661744), (2, 330872), (4, 165436), (8, 82718), (16, 41359), (59, 11216), (118, 5608), (236, 2804), (472, 1402), (701, 944)]