78540644

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{215771}}^1$

素因数の和:215795

約数の個数: 24

約数和(自身を含む): 169165248

約数和(自身を除く): 90624604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 215771, 431542, 863084, 1510397, 2805023, 3020794, 5610046, 6041588, 11220092, 19635161, 39270322, 78540644]

約数ペア:

[(1, 78540644), (2, 39270322), (4, 19635161), (7, 11220092), (13, 6041588), (14, 5610046), (26, 3020794), (28, 2805023), (52, 1510397), (91, 863084), (182, 431542), (364, 215771)]