204515905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{195709}}^1$

素因数の和:195744

約数の個数: 16

約数和(自身を含む): 281822400

約数和(自身を除く): 77306495

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 195709, 978545, 2152799, 3718471, 10763995, 18592355, 40903181, 204515905]

約数ペア:

[(1, 204515905), (5, 40903181), (11, 18592355), (19, 10763995), (55, 3718471), (95, 2152799), (209, 978545), (1045, 195709)]