81196072

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 166924800

約数和(自身を除く): 85728728

約数列:

[1, 2, 4, 8, 23, 41, 46, 47, 82, 92, 94, 164, 184, 188, 229, 328, 376, 458, 916, 943, 1081, 1832, 1886, 1927, 2162, 3772, 3854, 4324, 5267, 7544, 7708, 8648, 9389, 10534, 10763, 15416, 18778, 21068, 21526, 37556, 42136, 43052, 44321, 75112, 86104, 88642, 177284, 215947, 247549, 354568, 431894, 441283, 495098, 863788, 882566, 990196, 1727576, 1765132, 1980392, 3530264, 10149509, 20299018, 40598036, 81196072]

約数ペア:

[(1, 81196072), (2, 40598036), (4, 20299018), (8, 10149509), (23, 3530264), (41, 1980392), (46, 1765132), (47, 1727576), (82, 990196), (92, 882566), (94, 863788), (164, 495098), (184, 441283), (188, 431894), (229, 354568), (328, 247549), (376, 215947), (458, 177284), (916, 88642), (943, 86104), (1081, 75112), (1832, 44321), (1886, 43052), (1927, 42136), (2162, 37556), (3772, 21526), (3854, 21068), (4324, 18778), (5267, 15416), (7544, 10763), (7708, 10534), (8648, 9389)]