876551505

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2102

約数の個数: 64

約数和(自身を含む): 1548288000

約数和(自身を除く): 671736495

約数列:

[1, 3, 5, 15, 23, 31, 41, 69, 93, 115, 123, 155, 205, 345, 465, 615, 713, 943, 1271, 1999, 2139, 2829, 3565, 3813, 4715, 5997, 6355, 9995, 10695, 14145, 19065, 29233, 29985, 45977, 61969, 81959, 87699, 137931, 146165, 185907, 229885, 245877, 309845, 409795, 438495, 689655, 929535, 1229385, 1425287, 1885057, 2540729, 4275861, 5655171, 7126435, 7622187, 9425285, 12703645, 21379305, 28275855, 38110935, 58436767, 175310301, 292183835, 876551505]

約数ペア:

[(1, 876551505), (3, 292183835), (5, 175310301), (15, 58436767), (23, 38110935), (31, 28275855), (41, 21379305), (69, 12703645), (93, 9425285), (115, 7622187), (123, 7126435), (155, 5655171), (205, 4275861), (345, 2540729), (465, 1885057), (615, 1425287), (713, 1229385), (943, 929535), (1271, 689655), (1999, 438495), (2139, 409795), (2829, 309845), (3565, 245877), (3813, 229885), (4715, 185907), (5997, 146165), (6355, 137931), (9995, 87699), (10695, 81959), (14145, 61969), (19065, 45977), (29233, 29985)]