81243876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{2593}}^1$

素因数の和:2980

約数の個数: 48

約数和(自身を含む): 217314944

約数和(自身を除く): 136071068

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 373, 746, 1119, 1492, 2238, 2593, 2611, 4476, 5186, 5222, 7779, 7833, 10372, 10444, 15558, 15666, 18151, 31116, 31332, 36302, 54453, 72604, 108906, 217812, 967189, 1934378, 2901567, 3868756, 5803134, 6770323, 11606268, 13540646, 20310969, 27081292, 40621938, 81243876]

約数ペア:

[(1, 81243876), (2, 40621938), (3, 27081292), (4, 20310969), (6, 13540646), (7, 11606268), (12, 6770323), (14, 5803134), (21, 3868756), (28, 2901567), (42, 1934378), (84, 967189), (373, 217812), (746, 108906), (1119, 72604), (1492, 54453), (2238, 36302), (2593, 31332), (2611, 31116), (4476, 18151), (5186, 15666), (5222, 15558), (7779, 10444), (7833, 10372)]