1288356905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{2803}}^1$

素因数の和:3017

約数の個数: 32

約数和(自身を含む): 1727353728

約数和(自身を除く): 438996823

約数列:

[1, 5, 11, 55, 61, 137, 305, 671, 685, 1507, 2803, 3355, 7535, 8357, 14015, 30833, 41785, 91927, 154165, 170983, 384011, 459635, 854915, 1880813, 1920055, 4224121, 9404065, 21120605, 23424671, 117123355, 257671381, 1288356905]

約数ペア:

[(1, 1288356905), (5, 257671381), (11, 117123355), (55, 23424671), (61, 21120605), (137, 9404065), (305, 4224121), (671, 1920055), (685, 1880813), (1507, 854915), (2803, 459635), (3355, 384011), (7535, 170983), (8357, 154165), (14015, 91927), (30833, 41785)]