81161528

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{14071}}^1$

素因数の和:14187

約数の個数: 32

約数和(自身を含む): 175618560

約数和(自身を除く): 94457032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 5768, 14071, 28142, 56284, 98497, 112568, 196994, 393988, 787976, 1449313, 2898626, 5797252, 10145191, 11594504, 20290382, 40580764, 81161528]

約数ペア:

[(1, 81161528), (2, 40580764), (4, 20290382), (7, 11594504), (8, 10145191), (14, 5797252), (28, 2898626), (56, 1449313), (103, 787976), (206, 393988), (412, 196994), (721, 112568), (824, 98497), (1442, 56284), (2884, 28142), (5768, 14071)]