201997542509

素因数分解:

$7^1\times {\mathrm{1129}}^1\times {\mathrm{1997}}^1\times {\mathrm{12799}}^1$

素因数の和:15932

約数の個数: 16

約数和(自身を含む): 231192576000

約数和(自身を除く): 29195033491

約数列:

[1, 7, 1129, 1997, 7903, 12799, 13979, 89593, 2254613, 14450071, 15782291, 25559603, 101150497, 178917221, 28856791787, 201997542509]

約数ペア:

[(1, 201997542509), (7, 28856791787), (1129, 178917221), (1997, 101150497), (7903, 25559603), (12799, 15782291), (13979, 14450071), (89593, 2254613)]