81811576

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18973}}^1$

素因数の和:19004

約数の個数: 48

約数和(自身を含む): 194673240

約数和(自身を除く): 112861664

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 18973, 37946, 75892, 132811, 151784, 208703, 265622, 417406, 531244, 834812, 929677, 1062488, 1460921, 1669624, 1859354, 2921842, 3718708, 5843684, 7437416, 10226447, 11687368, 20452894, 40905788, 81811576]

約数ペア:

[(1, 81811576), (2, 40905788), (4, 20452894), (7, 11687368), (8, 10226447), (11, 7437416), (14, 5843684), (22, 3718708), (28, 2921842), (44, 1859354), (49, 1669624), (56, 1460921), (77, 1062488), (88, 929677), (98, 834812), (154, 531244), (196, 417406), (308, 265622), (392, 208703), (539, 151784), (616, 132811), (1078, 75892), (2156, 37946), (4312, 18973)]