81888732

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^2\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 90

約数和(自身を含む): 222042744

約数和(自身を除く): 140154012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 263, 279, 324, 372, 526, 558, 789, 837, 961, 1052, 1116, 1578, 1674, 1922, 2367, 2511, 2883, 3156, 3348, 3844, 4734, 5022, 5766, 7101, 8153, 8649, 9468, 10044, 11532, 14202, 16306, 17298, 21303, 24459, 25947, 28404, 32612, 34596, 42606, 48918, 51894, 73377, 77841, 85212, 97836, 103788, 146754, 155682, 220131, 252743, 293508, 311364, 440262, 505486, 660393, 758229, 880524, 1010972, 1320786, 1516458, 2274687, 2641572, 3032916, 4549374, 6824061, 9098748, 13648122, 20472183, 27296244, 40944366, 81888732]

約数ペア:

[(1, 81888732), (2, 40944366), (3, 27296244), (4, 20472183), (6, 13648122), (9, 9098748), (12, 6824061), (18, 4549374), (27, 3032916), (31, 2641572), (36, 2274687), (54, 1516458), (62, 1320786), (81, 1010972), (93, 880524), (108, 758229), (124, 660393), (162, 505486), (186, 440262), (263, 311364), (279, 293508), (324, 252743), (372, 220131), (526, 155682), (558, 146754), (789, 103788), (837, 97836), (961, 85212), (1052, 77841), (1116, 73377), (1578, 51894), (1674, 48918), (1922, 42606), (2367, 34596), (2511, 32612), (2883, 28404), (3156, 25947), (3348, 24459), (3844, 21303), (4734, 17298), (5022, 16306), (5766, 14202), (7101, 11532), (8153, 10044), (8649, 9468)]