81040206

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 185472000

約数和(自身を除く): 104431794

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 149, 247, 298, 367, 447, 494, 734, 741, 894, 1101, 1482, 1937, 2202, 2831, 3874, 4771, 5662, 5811, 6973, 8493, 9542, 11622, 13946, 14313, 16986, 20919, 28626, 36803, 41838, 54683, 73606, 90649, 109366, 110409, 164049, 181298, 220818, 271947, 328098, 543894, 710879, 1038977, 1421758, 2077954, 2132637, 3116931, 4265274, 6233862, 13506701, 27013402, 40520103, 81040206]

約数ペア:

[(1, 81040206), (2, 40520103), (3, 27013402), (6, 13506701), (13, 6233862), (19, 4265274), (26, 3116931), (38, 2132637), (39, 2077954), (57, 1421758), (78, 1038977), (114, 710879), (149, 543894), (247, 328098), (298, 271947), (367, 220818), (447, 181298), (494, 164049), (734, 110409), (741, 109366), (894, 90649), (1101, 73606), (1482, 54683), (1937, 41838), (2202, 36803), (2831, 28626), (3874, 20919), (4771, 16986), (5662, 14313), (5811, 13946), (6973, 11622), (8493, 9542)]