28317982

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 54624240

約数和(自身を除く): 26306258

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 109, 154, 218, 241, 482, 539, 763, 1078, 1199, 1526, 1687, 2398, 2651, 3374, 5302, 5341, 8393, 10682, 11809, 16786, 18557, 23618, 26269, 37114, 52538, 58751, 117502, 129899, 183883, 259798, 288959, 367766, 577918, 1287181, 2022713, 2574362, 4045426, 14158991, 28317982]

約数ペア:

[(1, 28317982), (2, 14158991), (7, 4045426), (11, 2574362), (14, 2022713), (22, 1287181), (49, 577918), (77, 367766), (98, 288959), (109, 259798), (154, 183883), (218, 129899), (241, 117502), (482, 58751), (539, 52538), (763, 37114), (1078, 26269), (1199, 23618), (1526, 18557), (1687, 16786), (2398, 11809), (2651, 10682), (3374, 8393), (5302, 5341)]