78786916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{2137}}^1$

素因数の和:2863

約数の個数: 24

約数和(自身を含む): 148762040

約数和(自身を除く): 69975124

約数列:

[1, 2, 4, 13, 26, 52, 709, 1418, 2137, 2836, 4274, 8548, 9217, 18434, 27781, 36868, 55562, 111124, 1515133, 3030266, 6060532, 19696729, 39393458, 78786916]

約数ペア:

[(1, 78786916), (2, 39393458), (4, 19696729), (13, 6060532), (26, 3030266), (52, 1515133), (709, 111124), (1418, 55562), (2137, 36868), (2836, 27781), (4274, 18434), (8548, 9217)]