313680245

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1\times {\mathrm{1549}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 381337200

約数和(自身を除く): 67656955

約数列:

[1, 5, 101, 401, 505, 1549, 2005, 7745, 40501, 156449, 202505, 621149, 782245, 3105745, 62736049, 313680245]

約数ペア:

[(1, 313680245), (5, 62736049), (101, 3105745), (401, 782245), (505, 621149), (1549, 202505), (2005, 156449), (7745, 40501)]