258703088

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{121571}}^1$

素因数の和:121605

約数の個数: 40

約数和(自身を含む): 602997120

約数和(自身を除く): 344294032

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 121571, 243142, 486284, 850997, 972568, 1701994, 1945136, 2309849, 3403988, 4619698, 6807976, 9239396, 13615952, 16168943, 18478792, 32337886, 36957584, 64675772, 129351544, 258703088]

約数ペア:

[(1, 258703088), (2, 129351544), (4, 64675772), (7, 36957584), (8, 32337886), (14, 18478792), (16, 16168943), (19, 13615952), (28, 9239396), (38, 6807976), (56, 4619698), (76, 3403988), (112, 2309849), (133, 1945136), (152, 1701994), (266, 972568), (304, 850997), (532, 486284), (1064, 243142), (2128, 121571)]