81490024

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{503}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 191600640

約数和(自身を除く): 110110616

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 263, 308, 503, 526, 616, 1006, 1052, 1841, 2012, 2104, 2893, 3521, 3682, 4024, 5533, 5786, 7042, 7364, 11066, 11572, 14084, 14728, 20251, 22132, 23144, 28168, 38731, 40502, 44264, 77462, 81004, 132289, 154924, 162008, 264578, 309848, 529156, 926023, 1058312, 1455179, 1852046, 2910358, 3704092, 5820716, 7408184, 10186253, 11641432, 20372506, 40745012, 81490024]

約数ペア:

[(1, 81490024), (2, 40745012), (4, 20372506), (7, 11641432), (8, 10186253), (11, 7408184), (14, 5820716), (22, 3704092), (28, 2910358), (44, 1852046), (56, 1455179), (77, 1058312), (88, 926023), (154, 529156), (263, 309848), (308, 264578), (503, 162008), (526, 154924), (616, 132289), (1006, 81004), (1052, 77462), (1841, 44264), (2012, 40502), (2104, 38731), (2893, 28168), (3521, 23144), (3682, 22132), (4024, 20251), (5533, 14728), (5786, 14084), (7042, 11572), (7364, 11066)]