81697232

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{61519}}^1$

素因数の和:61610

約数の個数: 20

約数和(自身を含む): 160198080

約数和(自身を除く): 78500848

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 61519, 123038, 246076, 492152, 984304, 5106077, 10212154, 20424308, 40848616, 81697232]

約数ペア:

[(1, 81697232), (2, 40848616), (4, 20424308), (8, 10212154), (16, 5106077), (83, 984304), (166, 492152), (332, 246076), (664, 123038), (1328, 61519)]