25309228

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 53222400

約数和(自身を除く): 27913172

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 71, 116, 142, 203, 284, 406, 439, 497, 812, 878, 994, 1756, 1988, 2059, 3073, 4118, 6146, 8236, 12292, 12731, 14413, 25462, 28826, 31169, 50924, 57652, 62338, 89117, 124676, 178234, 218183, 356468, 436366, 872732, 903901, 1807802, 3615604, 6327307, 12654614, 25309228]

約数ペア:

[(1, 25309228), (2, 12654614), (4, 6327307), (7, 3615604), (14, 1807802), (28, 903901), (29, 872732), (58, 436366), (71, 356468), (116, 218183), (142, 178234), (203, 124676), (284, 89117), (406, 62338), (439, 57652), (497, 50924), (812, 31169), (878, 28826), (994, 25462), (1756, 14413), (1988, 12731), (2059, 12292), (3073, 8236), (4118, 6146)]