281111152

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 160

約数和(自身を含む): 694241280

約数和(自身を除く): 413130128

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 29, 46, 53, 56, 58, 71, 92, 106, 112, 116, 142, 161, 184, 203, 212, 232, 284, 322, 368, 371, 406, 424, 464, 497, 568, 644, 667, 742, 812, 848, 994, 1136, 1219, 1288, 1334, 1484, 1537, 1624, 1633, 1988, 2059, 2438, 2576, 2668, 2968, 3074, 3248, 3266, 3763, 3976, 4118, 4669, 4876, 5336, 5936, 6148, 6532, 7526, 7952, 8236, 8533, 9338, 9752, 10672, 10759, 11431, 12296, 13064, 14413, 15052, 16472, 17066, 18676, 19504, 21518, 22862, 24592, 26128, 26341, 28826, 30104, 32944, 34132, 35351, 37352, 43036, 45724, 47357, 52682, 57652, 60208, 68264, 70702, 74704, 86072, 86549, 91448, 94714, 105364, 109127, 115304, 136528, 141404, 172144, 173098, 182896, 189428, 210728, 218254, 230608, 247457, 282808, 331499, 346196, 378856, 421456, 436508, 494914, 565616, 605843, 662998, 692392, 757712, 763889, 873016, 989828, 1211686, 1325996, 1384784, 1527778, 1746032, 1979656, 2423372, 2509921, 2651992, 3055556, 3959312, 4846744, 5019842, 5303984, 6111112, 9693488, 10039684, 12222224, 17569447, 20079368, 35138894, 40158736, 70277788, 140555576, 281111152]

約数ペア:

[(1, 281111152), (2, 140555576), (4, 70277788), (7, 40158736), (8, 35138894), (14, 20079368), (16, 17569447), (23, 12222224), (28, 10039684), (29, 9693488), (46, 6111112), (53, 5303984), (56, 5019842), (58, 4846744), (71, 3959312), (92, 3055556), (106, 2651992), (112, 2509921), (116, 2423372), (142, 1979656), (161, 1746032), (184, 1527778), (203, 1384784), (212, 1325996), (232, 1211686), (284, 989828), (322, 873016), (368, 763889), (371, 757712), (406, 692392), (424, 662998), (464, 605843), (497, 565616), (568, 494914), (644, 436508), (667, 421456), (742, 378856), (812, 346196), (848, 331499), (994, 282808), (1136, 247457), (1219, 230608), (1288, 218254), (1334, 210728), (1484, 189428), (1537, 182896), (1624, 173098), (1633, 172144), (1988, 141404), (2059, 136528), (2438, 115304), (2576, 109127), (2668, 105364), (2968, 94714), (3074, 91448), (3248, 86549), (3266, 86072), (3763, 74704), (3976, 70702), (4118, 68264), (4669, 60208), (4876, 57652), (5336, 52682), (5936, 47357), (6148, 45724), (6532, 43036), (7526, 37352), (7952, 35351), (8236, 34132), (8533, 32944), (9338, 30104), (9752, 28826), (10672, 26341), (10759, 26128), (11431, 24592), (12296, 22862), (13064, 21518), (14413, 19504), (15052, 18676), (16472, 17066)]