199816705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1721}}^1\times {\mathrm{2111}}^1$

素因数の和:3848

約数の個数: 16

約数和(自身を含む): 261854208

約数和(自身を除く): 62037503

約数列:

[1, 5, 11, 55, 1721, 2111, 8605, 10555, 18931, 23221, 94655, 116105, 3633031, 18165155, 39963341, 199816705]

約数ペア:

[(1, 199816705), (5, 39963341), (11, 18165155), (55, 3633031), (1721, 116105), (2111, 94655), (8605, 23221), (10555, 18931)]