81853936

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{61637}}^1$

素因数の和:61728

約数の個数: 20

約数和(自身を含む): 160505352

約数和(自身を除く): 78651416

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 61637, 123274, 246548, 493096, 986192, 5115871, 10231742, 20463484, 40926968, 81853936]

約数ペア:

[(1, 81853936), (2, 40926968), (4, 20463484), (8, 10231742), (16, 5115871), (83, 986192), (166, 493096), (332, 246548), (664, 123274), (1328, 61637)]