81665136

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{81017}}^1$

素因数の和:81038

約数の個数: 60

約数和(自身を含む): 261202032

約数和(自身を除く): 179536896

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 81017, 162034, 243051, 324068, 486102, 567119, 648136, 729153, 972204, 1134238, 1296272, 1458306, 1701357, 1944408, 2268476, 2916612, 3402714, 3888816, 4536952, 5104071, 5833224, 6805428, 9073904, 10208142, 11666448, 13610856, 20416284, 27221712, 40832568, 81665136]

約数ペア:

[(1, 81665136), (2, 40832568), (3, 27221712), (4, 20416284), (6, 13610856), (7, 11666448), (8, 10208142), (9, 9073904), (12, 6805428), (14, 5833224), (16, 5104071), (18, 4536952), (21, 3888816), (24, 3402714), (28, 2916612), (36, 2268476), (42, 1944408), (48, 1701357), (56, 1458306), (63, 1296272), (72, 1134238), (84, 972204), (112, 729153), (126, 648136), (144, 567119), (168, 486102), (252, 324068), (336, 243051), (504, 162034), (1008, 81017)]