1251390728

素因数分解:

$2^3\times 7^1\times {\mathrm{367}}^1\times {\mathrm{60889}}^1$

素因数の和:61269

約数の個数: 32

約数和(自身を含む): 2688902400

約数和(自身を除く): 1437511672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 367, 734, 1468, 2569, 2936, 5138, 10276, 20552, 60889, 121778, 243556, 426223, 487112, 852446, 1704892, 3409784, 22346263, 44692526, 89385052, 156423841, 178770104, 312847682, 625695364, 1251390728]

約数ペア:

[(1, 1251390728), (2, 625695364), (4, 312847682), (7, 178770104), (8, 156423841), (14, 89385052), (28, 44692526), (56, 22346263), (367, 3409784), (734, 1704892), (1468, 852446), (2569, 487112), (2936, 426223), (5138, 243556), (10276, 121778), (20552, 60889)]