128539565

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2437}}^1$

素因数の和:2597

約数の個数: 32

約数和(自身を含む): 193791744

約数和(自身を除く): 65252179

約数列:

[1, 5, 7, 11, 35, 55, 77, 137, 385, 685, 959, 1507, 2437, 4795, 7535, 10549, 12185, 17059, 26807, 52745, 85295, 134035, 187649, 333869, 938245, 1669345, 2337083, 3672559, 11685415, 18362795, 25707913, 128539565]

約数ペア:

[(1, 128539565), (5, 25707913), (7, 18362795), (11, 11685415), (35, 3672559), (55, 2337083), (77, 1669345), (137, 938245), (385, 333869), (685, 187649), (959, 134035), (1507, 85295), (2437, 52745), (4795, 26807), (7535, 17059), (10549, 12185)]