13205245

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:516

約数の個数: 16

約数和(自身を含む): 16254720

約数和(自身を除く): 3049475

約数列:

[1, 5, 79, 101, 331, 395, 505, 1655, 7979, 26149, 33431, 39895, 130745, 167155, 2641049, 13205245]

約数ペア:

[(1, 13205245), (5, 2641049), (79, 167155), (101, 130745), (331, 39895), (395, 33431), (505, 26149), (1655, 7979)]