81856824

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1759}}^1$

素因数の和:2052

約数の個数: 64

約数和(自身を含む): 234854400

約数和(自身を除く): 152997576

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 277, 554, 831, 1108, 1662, 1759, 1939, 2216, 3324, 3518, 3878, 5277, 5817, 6648, 7036, 7756, 10554, 11634, 12313, 14072, 15512, 21108, 23268, 24626, 36939, 42216, 46536, 49252, 73878, 98504, 147756, 295512, 487243, 974486, 1461729, 1948972, 2923458, 3410701, 3897944, 5846916, 6821402, 10232103, 11693832, 13642804, 20464206, 27285608, 40928412, 81856824]

約数ペア:

[(1, 81856824), (2, 40928412), (3, 27285608), (4, 20464206), (6, 13642804), (7, 11693832), (8, 10232103), (12, 6821402), (14, 5846916), (21, 3897944), (24, 3410701), (28, 2923458), (42, 1948972), (56, 1461729), (84, 974486), (168, 487243), (277, 295512), (554, 147756), (831, 98504), (1108, 73878), (1662, 49252), (1759, 46536), (1939, 42216), (2216, 36939), (3324, 24626), (3518, 23268), (3878, 21108), (5277, 15512), (5817, 14072), (6648, 12313), (7036, 11634), (7756, 10554)]