56903905

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 69378768

約数和(自身を除く): 12474863

約数列:

[1, 5, 101, 281, 401, 505, 1405, 2005, 28381, 40501, 112681, 141905, 202505, 563405, 11380781, 56903905]

約数ペア:

[(1, 56903905), (5, 11380781), (101, 563405), (281, 202505), (401, 141905), (505, 112681), (1405, 40501), (2005, 28381)]