25509988

素因数分解:

$2^2\times 7^2\times {\mathrm{157}}^1\times {\mathrm{829}}^1$

素因数の和:1004

約数の個数: 36

約数和(自身を含む): 52324860

約数和(自身を除く): 26814872

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 157, 196, 314, 628, 829, 1099, 1658, 2198, 3316, 4396, 5803, 7693, 11606, 15386, 23212, 30772, 40621, 81242, 130153, 162484, 260306, 520612, 911071, 1822142, 3644284, 6377497, 12754994, 25509988]

約数ペア:

[(1, 25509988), (2, 12754994), (4, 6377497), (7, 3644284), (14, 1822142), (28, 911071), (49, 520612), (98, 260306), (157, 162484), (196, 130153), (314, 81242), (628, 40621), (829, 30772), (1099, 23212), (1658, 15386), (2198, 11606), (3316, 7693), (4396, 5803)]