81834032

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 188987904

約数和(自身を除く): 107153872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 71, 82, 112, 142, 164, 251, 284, 287, 328, 497, 502, 568, 574, 656, 994, 1004, 1136, 1148, 1757, 1988, 2008, 2296, 2911, 3514, 3976, 4016, 4592, 5822, 7028, 7952, 10291, 11644, 14056, 17821, 20377, 20582, 23288, 28112, 35642, 40754, 41164, 46576, 71284, 72037, 81508, 82328, 124747, 142568, 144074, 163016, 164656, 249494, 285136, 288148, 326032, 498988, 576296, 730661, 997976, 1152592, 1461322, 1995952, 2922644, 5114627, 5845288, 10229254, 11690576, 20458508, 40917016, 81834032]

約数ペア:

[(1, 81834032), (2, 40917016), (4, 20458508), (7, 11690576), (8, 10229254), (14, 5845288), (16, 5114627), (28, 2922644), (41, 1995952), (56, 1461322), (71, 1152592), (82, 997976), (112, 730661), (142, 576296), (164, 498988), (251, 326032), (284, 288148), (287, 285136), (328, 249494), (497, 164656), (502, 163016), (568, 144074), (574, 142568), (656, 124747), (994, 82328), (1004, 81508), (1136, 72037), (1148, 71284), (1757, 46576), (1988, 41164), (2008, 40754), (2296, 35642), (2911, 28112), (3514, 23288), (3976, 20582), (4016, 20377), (4592, 17821), (5822, 14056), (7028, 11644), (7952, 10291)]