388664114

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 624000000

約数和(自身を除く): 235335886

約数列:

[1, 2, 19, 38, 103, 199, 206, 398, 499, 998, 1957, 3781, 3914, 7562, 9481, 18962, 20497, 40994, 51397, 99301, 102794, 198602, 389443, 778886, 976543, 1886719, 1953086, 3773438, 10228003, 20456006, 194332057, 388664114]

約数ペア:

[(1, 388664114), (2, 194332057), (19, 20456006), (38, 10228003), (103, 3773438), (199, 1953086), (206, 1886719), (398, 976543), (499, 778886), (998, 389443), (1957, 198602), (3781, 102794), (3914, 99301), (7562, 51397), (9481, 40994), (18962, 20497)]