2227555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 2952288

約数和(自身を除く): 724733

約数列:

[1, 5, 11, 55, 101, 401, 505, 1111, 2005, 4411, 5555, 22055, 40501, 202505, 445511, 2227555]

約数ペア:

[(1, 2227555), (5, 445511), (11, 202505), (55, 40501), (101, 22055), (401, 5555), (505, 4411), (1111, 2005)]