1681624945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{997}}^1$

素因数の和:1370

約数の個数: 64

約数和(自身を含む): 2720180736

約数和(自身を除く): 1038555791

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 337, 385, 455, 715, 997, 1001, 1685, 2359, 3707, 4381, 4985, 5005, 6979, 10967, 11795, 12961, 18535, 21905, 25949, 30667, 34895, 48191, 54835, 64805, 76769, 90727, 129745, 142571, 153335, 240955, 335989, 337337, 383845, 453635, 712855, 997997, 1679945, 1686685, 2351923, 3695879, 4367857, 4989985, 11759615, 18479395, 21839285, 25871153, 30574999, 48046427, 129355765, 152874995, 240232135, 336324989, 1681624945]

約数ペア:

[(1, 1681624945), (5, 336324989), (7, 240232135), (11, 152874995), (13, 129355765), (35, 48046427), (55, 30574999), (65, 25871153), (77, 21839285), (91, 18479395), (143, 11759615), (337, 4989985), (385, 4367857), (455, 3695879), (715, 2351923), (997, 1686685), (1001, 1679945), (1685, 997997), (2359, 712855), (3707, 453635), (4381, 383845), (4985, 337337), (5005, 335989), (6979, 240955), (10967, 153335), (11795, 142571), (12961, 129745), (18535, 90727), (21905, 76769), (25949, 64805), (30667, 54835), (34895, 48191)]