209567402

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{619}}^1\times {\mathrm{1399}}^1$

素因数の和:2042

約数の個数: 24

約数和(自身を含む): 346332000

約数和(自身を除く): 136764598

約数列:

[1, 2, 11, 22, 121, 242, 619, 1238, 1399, 2798, 6809, 13618, 15389, 30778, 74899, 149798, 169279, 338558, 865981, 1731962, 9525791, 19051582, 104783701, 209567402]

約数ペア:

[(1, 209567402), (2, 104783701), (11, 19051582), (22, 9525791), (121, 1731962), (242, 865981), (619, 338558), (1238, 169279), (1399, 149798), (2798, 74899), (6809, 30778), (13618, 15389)]