390991578481

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{4159}}^1\times {\mathrm{83417}}^1$

素因数の和:87613

約数の個数: 24

約数和(自身を含む): 474721827840

約数和(自身を除く): 83730249359

約数列:

[1, 7, 23, 49, 161, 1127, 4159, 29113, 83417, 95657, 203791, 583919, 669599, 1918591, 4087433, 4687193, 13430137, 94010959, 346931303, 2428519121, 7979419969, 16999633847, 55855939783, 390991578481]

約数ペア:

[(1, 390991578481), (7, 55855939783), (23, 16999633847), (49, 7979419969), (161, 2428519121), (1127, 346931303), (4159, 94010959), (29113, 13430137), (83417, 4687193), (95657, 4087433), (203791, 1918591), (583919, 669599)]