257361264

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{43591}}^1$

素因数の和:43646

約数の個数: 60

約数和(自身を含む): 737838192

約数和(自身を除く): 480476928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 123, 144, 164, 246, 328, 369, 492, 656, 738, 984, 1476, 1968, 2952, 5904, 43591, 87182, 130773, 174364, 261546, 348728, 392319, 523092, 697456, 784638, 1046184, 1569276, 1787231, 2092368, 3138552, 3574462, 5361693, 6277104, 7148924, 10723386, 14297848, 16085079, 21446772, 28595696, 32170158, 42893544, 64340316, 85787088, 128680632, 257361264]

約数ペア:

[(1, 257361264), (2, 128680632), (3, 85787088), (4, 64340316), (6, 42893544), (8, 32170158), (9, 28595696), (12, 21446772), (16, 16085079), (18, 14297848), (24, 10723386), (36, 7148924), (41, 6277104), (48, 5361693), (72, 3574462), (82, 3138552), (123, 2092368), (144, 1787231), (164, 1569276), (246, 1046184), (328, 784638), (369, 697456), (492, 523092), (656, 392319), (738, 348728), (984, 261546), (1476, 174364), (1968, 130773), (2952, 87182), (5904, 43591)]