81147948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{937}}^1\times {\mathrm{1031}}^1$

素因数の和:1982

約数の個数: 48

約数和(自身を含む): 216835584

約数和(自身を除く): 135687636

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 937, 1031, 1874, 2062, 2811, 3093, 3748, 4124, 5622, 6186, 6559, 7217, 11244, 12372, 13118, 14434, 19677, 21651, 26236, 28868, 39354, 43302, 78708, 86604, 966047, 1932094, 2898141, 3864188, 5796282, 6762329, 11592564, 13524658, 20286987, 27049316, 40573974, 81147948]

約数ペア:

[(1, 81147948), (2, 40573974), (3, 27049316), (4, 20286987), (6, 13524658), (7, 11592564), (12, 6762329), (14, 5796282), (21, 3864188), (28, 2898141), (42, 1932094), (84, 966047), (937, 86604), (1031, 78708), (1874, 43302), (2062, 39354), (2811, 28868), (3093, 26236), (3748, 21651), (4124, 19677), (5622, 14434), (6186, 13118), (6559, 12372), (7217, 11244)]