81985156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{81013}}^1$

素因数の和:81051

約数の個数: 24

約数和(自身を含む): 163324224

約数和(自身を除く): 81339068

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 81013, 162026, 324052, 891143, 1782286, 1863299, 3564572, 3726598, 7453196, 20496289, 40992578, 81985156]

約数ペア:

[(1, 81985156), (2, 40992578), (4, 20496289), (11, 7453196), (22, 3726598), (23, 3564572), (44, 1863299), (46, 1782286), (92, 891143), (253, 324052), (506, 162026), (1012, 81013)]