197972761

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 240792000

約数和(自身を除く): 42819239

約数列:

[1, 7, 19, 133, 157, 361, 499, 1099, 2527, 2983, 3493, 9481, 20881, 56677, 66367, 78343, 180139, 396739, 548401, 1260973, 1488517, 10419619, 28281823, 197972761]

約数ペア:

[(1, 197972761), (7, 28281823), (19, 10419619), (133, 1488517), (157, 1260973), (361, 548401), (499, 396739), (1099, 180139), (2527, 78343), (2983, 66367), (3493, 56677), (9481, 20881)]