81327876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4051}}^1$

素因数の和:4304

約数の個数: 48

約数和(自身を含む): 217835520

約数和(自身を除く): 136507644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 239, 478, 717, 956, 1434, 1673, 2868, 3346, 4051, 5019, 6692, 8102, 10038, 12153, 16204, 20076, 24306, 28357, 48612, 56714, 85071, 113428, 170142, 340284, 968189, 1936378, 2904567, 3872756, 5809134, 6777323, 11618268, 13554646, 20331969, 27109292, 40663938, 81327876]

約数ペア:

[(1, 81327876), (2, 40663938), (3, 27109292), (4, 20331969), (6, 13554646), (7, 11618268), (12, 6777323), (14, 5809134), (21, 3872756), (28, 2904567), (42, 1936378), (84, 968189), (239, 340284), (478, 170142), (717, 113428), (956, 85071), (1434, 56714), (1673, 48612), (2868, 28357), (3346, 24306), (4051, 20076), (5019, 16204), (6692, 12153), (8102, 10038)]