208839124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{20809}}^1$

素因数の和:21019

約数の個数: 24

約数和(自身を含む): 395639720

約数和(自身を除く): 186800596

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2509, 5018, 10036, 20809, 41618, 83236, 270517, 541034, 1082068, 4016137, 8032274, 16064548, 52209781, 104419562, 208839124]

約数ペア:

[(1, 208839124), (2, 104419562), (4, 52209781), (13, 16064548), (26, 8032274), (52, 4016137), (193, 1082068), (386, 541034), (772, 270517), (2509, 83236), (5018, 41618), (10036, 20809)]