199971731

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1657}}^1$

素因数の和:1934

約数の個数: 16

約数和(自身を含む): 219651840

約数和(自身を除く): 19680109

約数列:

[1, 17, 31, 229, 527, 1657, 3893, 7099, 28169, 51367, 120683, 379453, 873239, 6450701, 11763043, 199971731]

約数ペア:

[(1, 199971731), (17, 11763043), (31, 6450701), (229, 873239), (527, 379453), (1657, 120683), (3893, 51367), (7099, 28169)]