638126502

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1759}}^1\times {\mathrm{4651}}^1$

素因数の和:6428

約数の個数: 32

約数和(自身を含む): 1375503360

約数和(自身を除く): 737376858

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1759, 3518, 4651, 5277, 9302, 10554, 13953, 22867, 27906, 45734, 60463, 68601, 120926, 137202, 181389, 362778, 8181109, 16362218, 24543327, 49086654, 106354417, 212708834, 319063251, 638126502]

約数ペア:

[(1, 638126502), (2, 319063251), (3, 212708834), (6, 106354417), (13, 49086654), (26, 24543327), (39, 16362218), (78, 8181109), (1759, 362778), (3518, 181389), (4651, 137202), (5277, 120926), (9302, 68601), (10554, 60463), (13953, 45734), (22867, 27906)]