2468642

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^2$

素因数の和:226

約数の個数: 18

約数和(自身を含む): 4110897

約数和(自身を除く): 1642255

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1111, 2222, 10201, 12221, 20402, 24442, 112211, 224422, 1234321, 2468642]

約数ペア:

[(1, 2468642), (2, 1234321), (11, 224422), (22, 112211), (101, 24442), (121, 20402), (202, 12221), (242, 10201), (1111, 2222)]