53989678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{20011}}^1$

素因数の和:20103

約数の個数: 16

約数和(自身を含む): 86451840

約数和(自身を除く): 32462162

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 20011, 40022, 380209, 760418, 1420781, 2841562, 26994839, 53989678]

約数ペア:

[(1, 53989678), (2, 26994839), (19, 2841562), (38, 1420781), (71, 760418), (142, 380209), (1349, 40022), (2698, 20011)]