25388251

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1$

素因数の和:2322

約数の個数: 16

約数和(自身を含む): 30716928

約数和(自身を除く): 5328677

約数列:

[1, 7, 23, 71, 161, 497, 1633, 2221, 11431, 15547, 51083, 157691, 357581, 1103837, 3626893, 25388251]

約数ペア:

[(1, 25388251), (7, 3626893), (23, 1103837), (71, 357581), (161, 157691), (497, 51083), (1633, 15547), (2221, 11431)]