385717423

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223087}}^1$

素因数の和:223126

約数の個数: 16

約数和(自身を含む): 499717120

約数和(自身を除く): 113999697

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 223087, 1561609, 2900131, 4238653, 20300917, 29670571, 55102489, 385717423]

約数ペア:

[(1, 385717423), (7, 55102489), (13, 29670571), (19, 20300917), (91, 4238653), (133, 2900131), (247, 1561609), (1729, 223087)]