2499245

素因数分解:

$5^1\times 7^2\times {\mathrm{101}}^2$

素因数の和:221

約数の個数: 18

約数和(自身を含む): 3523626

約数和(自身を除く): 1024381

約数列:

[1, 5, 7, 35, 49, 101, 245, 505, 707, 3535, 4949, 10201, 24745, 51005, 71407, 357035, 499849, 2499245]

約数ペア:

[(1, 2499245), (5, 499849), (7, 357035), (35, 71407), (49, 51005), (101, 24745), (245, 10201), (505, 4949), (707, 3535)]