28867825

素因数分解:

$5^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{563}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 41122368

約数和(自身を除く): 12254543

約数列:

[1, 5, 7, 25, 35, 175, 293, 563, 1465, 2051, 2815, 3941, 7325, 10255, 14075, 19705, 51275, 98525, 164959, 824795, 1154713, 4123975, 5773565, 28867825]

約数ペア:

[(1, 28867825), (5, 5773565), (7, 4123975), (25, 1154713), (35, 824795), (175, 164959), (293, 98525), (563, 51275), (1465, 19705), (2051, 14075), (2815, 10255), (3941, 7325)]