81638596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1348

約数の個数: 48

約数和(自身を含む): 162993600

約数和(自身を除く): 81355004

約数列:

[1, 2, 4, 13, 26, 29, 43, 52, 58, 86, 116, 172, 377, 559, 754, 1118, 1247, 1259, 1508, 2236, 2494, 2518, 4988, 5036, 16211, 16367, 32422, 32734, 36511, 54137, 64844, 65468, 73022, 108274, 146044, 216548, 474643, 703781, 949286, 1407562, 1569973, 1898572, 2815124, 3139946, 6279892, 20409649, 40819298, 81638596]

約数ペア:

[(1, 81638596), (2, 40819298), (4, 20409649), (13, 6279892), (26, 3139946), (29, 2815124), (43, 1898572), (52, 1569973), (58, 1407562), (86, 949286), (116, 703781), (172, 474643), (377, 216548), (559, 146044), (754, 108274), (1118, 73022), (1247, 65468), (1259, 64844), (1508, 54137), (2236, 36511), (2494, 32734), (2518, 32422), (4988, 16367), (5036, 16211)]