78390414

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{27739}}^1$

素因数の和:27904

約数の個数: 24

約数和(自身を含む): 170933880

約数和(自身を除く): 92543466

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 27739, 55478, 83217, 166434, 249651, 499302, 4355023, 8710046, 13065069, 26130138, 39195207, 78390414]

約数ペア:

[(1, 78390414), (2, 39195207), (3, 26130138), (6, 13065069), (9, 8710046), (18, 4355023), (157, 499302), (314, 249651), (471, 166434), (942, 83217), (1413, 55478), (2826, 27739)]