25940404

素因数分解:

$2^2\times 7^4\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 60

約数和(自身を含む): 55134884

約数和(自身を除く): 29194480

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 73, 74, 98, 146, 148, 196, 259, 292, 343, 511, 518, 686, 1022, 1036, 1372, 1813, 2044, 2401, 2701, 3577, 3626, 4802, 5402, 7154, 7252, 9604, 10804, 12691, 14308, 18907, 25039, 25382, 37814, 50078, 50764, 75628, 88837, 100156, 132349, 175273, 177674, 264698, 350546, 355348, 529396, 701092, 926443, 1852886, 3705772, 6485101, 12970202, 25940404]

約数ペア:

[(1, 25940404), (2, 12970202), (4, 6485101), (7, 3705772), (14, 1852886), (28, 926443), (37, 701092), (49, 529396), (73, 355348), (74, 350546), (98, 264698), (146, 177674), (148, 175273), (196, 132349), (259, 100156), (292, 88837), (343, 75628), (511, 50764), (518, 50078), (686, 37814), (1022, 25382), (1036, 25039), (1372, 18907), (1813, 14308), (2044, 12691), (2401, 10804), (2701, 9604), (3577, 7252), (3626, 7154), (4802, 5402)]