13888525

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4177}}^1$

素因数の和:4213

約数の個数: 24

約数和(自身を含む): 20722880

約数和(自身を除く): 6834355

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 4177, 20885, 29239, 79363, 104425, 146195, 396815, 555541, 730975, 1984075, 2777705, 13888525]

約数ペア:

[(1, 13888525), (5, 2777705), (7, 1984075), (19, 730975), (25, 555541), (35, 396815), (95, 146195), (133, 104425), (175, 79363), (475, 29239), (665, 20885), (3325, 4177)]