31415704884

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{186187}}^1$

素因数の和:186349

約数の個数: 72

約数和(自身を含む): 82004642720

約数和(自身を除く): 50588937836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 109, 129, 172, 218, 258, 327, 387, 436, 516, 654, 774, 981, 1308, 1548, 1962, 3924, 4687, 9374, 14061, 18748, 28122, 42183, 56244, 84366, 168732, 186187, 372374, 558561, 744748, 1117122, 1675683, 2234244, 3351366, 6702732, 8006041, 16012082, 20294383, 24018123, 32024164, 40588766, 48036246, 60883149, 72054369, 81177532, 96072492, 121766298, 144108738, 182649447, 243532596, 288217476, 365298894, 730597788, 872658469, 1745316938, 2617975407, 3490633876, 5235950814, 7853926221, 10471901628, 15707852442, 31415704884]

約数ペア:

[(1, 31415704884), (2, 15707852442), (3, 10471901628), (4, 7853926221), (6, 5235950814), (9, 3490633876), (12, 2617975407), (18, 1745316938), (36, 872658469), (43, 730597788), (86, 365298894), (109, 288217476), (129, 243532596), (172, 182649447), (218, 144108738), (258, 121766298), (327, 96072492), (387, 81177532), (436, 72054369), (516, 60883149), (654, 48036246), (774, 40588766), (981, 32024164), (1308, 24018123), (1548, 20294383), (1962, 16012082), (3924, 8006041), (4687, 6702732), (9374, 3351366), (14061, 2234244), (18748, 1675683), (28122, 1117122), (42183, 744748), (56244, 558561), (84366, 372374), (168732, 186187)]