1287790728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{27673}}^1$

素因数の和:27966

約数の個数: 64

約数和(自身を含む): 3692818560

約数和(自身を除く): 2405027832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 277, 554, 831, 1108, 1662, 1939, 2216, 3324, 3878, 5817, 6648, 7756, 11634, 15512, 23268, 27673, 46536, 55346, 83019, 110692, 166038, 193711, 221384, 332076, 387422, 581133, 664152, 774844, 1162266, 1549688, 2324532, 4649064, 7665421, 15330842, 22996263, 30661684, 45992526, 53657947, 61323368, 91985052, 107315894, 160973841, 183970104, 214631788, 321947682, 429263576, 643895364, 1287790728]

約数ペア:

[(1, 1287790728), (2, 643895364), (3, 429263576), (4, 321947682), (6, 214631788), (7, 183970104), (8, 160973841), (12, 107315894), (14, 91985052), (21, 61323368), (24, 53657947), (28, 45992526), (42, 30661684), (56, 22996263), (84, 15330842), (168, 7665421), (277, 4649064), (554, 2324532), (831, 1549688), (1108, 1162266), (1662, 774844), (1939, 664152), (2216, 581133), (3324, 387422), (3878, 332076), (5817, 221384), (6648, 193711), (7756, 166038), (11634, 110692), (15512, 83019), (23268, 55346), (27673, 46536)]