28378728

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{137}}^2$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 90753600

約数和(自身を除く): 62374872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 137, 168, 189, 216, 252, 274, 378, 411, 504, 548, 756, 822, 959, 1096, 1233, 1512, 1644, 1918, 2466, 2877, 3288, 3699, 3836, 4932, 5754, 7398, 7672, 8631, 9864, 11508, 14796, 17262, 18769, 23016, 25893, 29592, 34524, 37538, 51786, 56307, 69048, 75076, 103572, 112614, 131383, 150152, 168921, 207144, 225228, 262766, 337842, 394149, 450456, 506763, 525532, 675684, 788298, 1013526, 1051064, 1182447, 1351368, 1576596, 2027052, 2364894, 3153192, 3547341, 4054104, 4729788, 7094682, 9459576, 14189364, 28378728]

約数ペア:

[(1, 28378728), (2, 14189364), (3, 9459576), (4, 7094682), (6, 4729788), (7, 4054104), (8, 3547341), (9, 3153192), (12, 2364894), (14, 2027052), (18, 1576596), (21, 1351368), (24, 1182447), (27, 1051064), (28, 1013526), (36, 788298), (42, 675684), (54, 525532), (56, 506763), (63, 450456), (72, 394149), (84, 337842), (108, 262766), (126, 225228), (137, 207144), (168, 168921), (189, 150152), (216, 131383), (252, 112614), (274, 103572), (378, 75076), (411, 69048), (504, 56307), (548, 51786), (756, 37538), (822, 34524), (959, 29592), (1096, 25893), (1233, 23016), (1512, 18769), (1644, 17262), (1918, 14796), (2466, 11508), (2877, 9864), (3288, 8631), (3699, 7672), (3836, 7398), (4932, 5754)]