388987627

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{2767}}^1$

素因数の和:2951

約数の個数: 24

約数和(自身を含む): 479639040

約数和(自身を除く): 90651413

約数列:

[1, 7, 19, 49, 133, 151, 931, 1057, 2767, 2869, 7399, 19369, 20083, 52573, 135583, 140581, 368011, 417817, 2576077, 2924719, 7938523, 20473033, 55569661, 388987627]

約数ペア:

[(1, 388987627), (7, 55569661), (19, 20473033), (49, 7938523), (133, 2924719), (151, 2576077), (931, 417817), (1057, 368011), (2767, 140581), (2869, 135583), (7399, 52573), (19369, 20083)]