210857905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{4483}}^1$

素因数の和:4920

約数の個数: 16

約数和(自身を含む): 264735360

約数和(自身を除く): 53877455

約数列:

[1, 5, 23, 115, 409, 2045, 4483, 9407, 22415, 47035, 103109, 515545, 1833547, 9167735, 42171581, 210857905]

約数ペア:

[(1, 210857905), (5, 42171581), (23, 9167735), (115, 1833547), (409, 515545), (2045, 103109), (4483, 47035), (9407, 22415)]