81311078

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{2027}}^1$

素因数の和:2707

約数の個数: 16

約数和(自身を含む): 126157824

約数和(自身を除く): 44846746

約数列:

[1, 2, 31, 62, 647, 1294, 2027, 4054, 20057, 40114, 62837, 125674, 1311469, 2622938, 40655539, 81311078]

約数ペア:

[(1, 81311078), (2, 40655539), (31, 2622938), (62, 1311469), (647, 125674), (1294, 62837), (2027, 40114), (4054, 20057)]