81277972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{733}}^1\times {\mathrm{1459}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 150029600

約数和(自身を除く): 68751628

約数列:

[1, 2, 4, 19, 38, 76, 733, 1459, 1466, 2918, 2932, 5836, 13927, 27721, 27854, 55442, 55708, 110884, 1069447, 2138894, 4277788, 20319493, 40638986, 81277972]

約数ペア:

[(1, 81277972), (2, 40638986), (4, 20319493), (19, 4277788), (38, 2138894), (76, 1069447), (733, 110884), (1459, 55708), (1466, 55442), (2918, 27854), (2932, 27721), (5836, 13927)]