81885456

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4091}}^1$

素因数の和:4244

約数の個数: 60

約数和(自身を含む): 230870640

約数和(自身を除く): 148985184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 1112, 1251, 1668, 2224, 2502, 3336, 4091, 5004, 6672, 8182, 10008, 12273, 16364, 20016, 24546, 32728, 36819, 49092, 65456, 73638, 98184, 147276, 196368, 294552, 568649, 589104, 1137298, 1705947, 2274596, 3411894, 4549192, 5117841, 6823788, 9098384, 10235682, 13647576, 20471364, 27295152, 40942728, 81885456]

約数ペア:

[(1, 81885456), (2, 40942728), (3, 27295152), (4, 20471364), (6, 13647576), (8, 10235682), (9, 9098384), (12, 6823788), (16, 5117841), (18, 4549192), (24, 3411894), (36, 2274596), (48, 1705947), (72, 1137298), (139, 589104), (144, 568649), (278, 294552), (417, 196368), (556, 147276), (834, 98184), (1112, 73638), (1251, 65456), (1668, 49092), (2224, 36819), (2502, 32728), (3336, 24546), (4091, 20016), (5004, 16364), (6672, 12273), (8182, 10008)]