289919518

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{5477}}^1$

素因数の和:5704

約数の個数: 32

約数和(自身を含む): 525888000

約数和(自身を除く): 235968482

約数列:

[1, 2, 7, 14, 19, 38, 133, 199, 266, 398, 1393, 2786, 3781, 5477, 7562, 10954, 26467, 38339, 52934, 76678, 104063, 208126, 728441, 1089923, 1456882, 2179846, 7629461, 15258922, 20708537, 41417074, 144959759, 289919518]

約数ペア:

[(1, 289919518), (2, 144959759), (7, 41417074), (14, 20708537), (19, 15258922), (38, 7629461), (133, 2179846), (199, 1456882), (266, 1089923), (398, 728441), (1393, 208126), (2786, 104063), (3781, 76678), (5477, 52934), (7562, 38339), (10954, 26467)]