28327475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 38568960

約数和(自身を除く): 10241485

約数列:

[1, 5, 11, 25, 55, 239, 275, 431, 1195, 2155, 2629, 4741, 5975, 10775, 13145, 23705, 65725, 103009, 118525, 515045, 1133099, 2575225, 5665495, 28327475]

約数ペア:

[(1, 28327475), (5, 5665495), (11, 2575225), (25, 1133099), (55, 515045), (239, 118525), (275, 103009), (431, 65725), (1195, 23705), (2155, 13145), (2629, 10775), (4741, 5975)]