128707901

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{25153}}^1$

素因数の和:25220

約数の個数: 16

約数和(自身を含む): 159375744

約数和(自身を除く): 30667843

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 25153, 176071, 427601, 1081579, 2993207, 7571053, 18386843, 128707901]

約数ペア:

[(1, 128707901), (7, 18386843), (17, 7571053), (43, 2993207), (119, 1081579), (301, 427601), (731, 176071), (5117, 25153)]