55455575

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 82494720

約数和(自身を除く): 27039145

約数列:

[1, 5, 7, 25, 35, 41, 59, 131, 175, 205, 287, 295, 413, 655, 917, 1025, 1435, 1475, 2065, 2419, 3275, 4585, 5371, 7175, 7729, 10325, 12095, 16933, 22925, 26855, 37597, 38645, 54103, 60475, 84665, 134275, 187985, 193225, 270515, 316889, 423325, 939925, 1352575, 1584445, 2218223, 7922225, 11091115, 55455575]

約数ペア:

[(1, 55455575), (5, 11091115), (7, 7922225), (25, 2218223), (35, 1584445), (41, 1352575), (59, 939925), (131, 423325), (175, 316889), (205, 270515), (287, 193225), (295, 187985), (413, 134275), (655, 84665), (917, 60475), (1025, 54103), (1435, 38645), (1475, 37597), (2065, 26855), (2419, 22925), (3275, 16933), (4585, 12095), (5371, 10325), (7175, 7729)]