217387872

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1873}}^1$

素因数の和:1933

約数の個数: 144

約数和(自身を含む): 687593088

約数和(自身を除く): 470205216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 32, 36, 39, 48, 52, 62, 72, 78, 93, 96, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 288, 312, 372, 403, 416, 468, 496, 558, 624, 744, 806, 936, 992, 1116, 1209, 1248, 1488, 1612, 1872, 1873, 2232, 2418, 2976, 3224, 3627, 3744, 3746, 4464, 4836, 5619, 6448, 7254, 7492, 8928, 9672, 11238, 12896, 14508, 14984, 16857, 19344, 22476, 24349, 29016, 29968, 33714, 38688, 44952, 48698, 58032, 58063, 59936, 67428, 73047, 89904, 97396, 116064, 116126, 134856, 146094, 174189, 179808, 194792, 219141, 232252, 269712, 292188, 348378, 389584, 438282, 464504, 522567, 539424, 584376, 696756, 754819, 779168, 876564, 929008, 1045134, 1168752, 1393512, 1509638, 1753128, 1858016, 2090268, 2264457, 2337504, 2787024, 3019276, 3506256, 4180536, 4528914, 5574048, 6038552, 6793371, 7012512, 8361072, 9057828, 12077104, 13586742, 16722144, 18115656, 24154208, 27173484, 36231312, 54346968, 72462624, 108693936, 217387872]

約数ペア:

[(1, 217387872), (2, 108693936), (3, 72462624), (4, 54346968), (6, 36231312), (8, 27173484), (9, 24154208), (12, 18115656), (13, 16722144), (16, 13586742), (18, 12077104), (24, 9057828), (26, 8361072), (31, 7012512), (32, 6793371), (36, 6038552), (39, 5574048), (48, 4528914), (52, 4180536), (62, 3506256), (72, 3019276), (78, 2787024), (93, 2337504), (96, 2264457), (104, 2090268), (117, 1858016), (124, 1753128), (144, 1509638), (156, 1393512), (186, 1168752), (208, 1045134), (234, 929008), (248, 876564), (279, 779168), (288, 754819), (312, 696756), (372, 584376), (403, 539424), (416, 522567), (468, 464504), (496, 438282), (558, 389584), (624, 348378), (744, 292188), (806, 269712), (936, 232252), (992, 219141), (1116, 194792), (1209, 179808), (1248, 174189), (1488, 146094), (1612, 134856), (1872, 116126), (1873, 116064), (2232, 97396), (2418, 89904), (2976, 73047), (3224, 67428), (3627, 59936), (3744, 58063), (3746, 58032), (4464, 48698), (4836, 44952), (5619, 38688), (6448, 33714), (7254, 29968), (7492, 29016), (8928, 24349), (9672, 22476), (11238, 19344), (12896, 16857), (14508, 14984)]