138917218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^2\times {\mathrm{619}}^1$

素因数の和:834

約数の個数: 24

約数和(自身を含む): 229962960

約数和(自身を除く): 91045742

約数列:

[1, 2, 11, 22, 101, 202, 619, 1111, 1238, 2222, 6809, 10201, 13618, 20402, 62519, 112211, 125038, 224422, 687709, 1375418, 6314419, 12628838, 69458609, 138917218]

約数ペア:

[(1, 138917218), (2, 69458609), (11, 12628838), (22, 6314419), (101, 1375418), (202, 687709), (619, 224422), (1111, 125038), (1238, 112211), (2222, 62519), (6809, 20402), (10201, 13618)]