128561378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2473}}^1$

素因数の和:2642

約数の個数: 32

約数和(自身を含む): 224441280

約数和(自身を除く): 95879902

約数列:

[1, 2, 11, 17, 22, 34, 139, 187, 278, 374, 1529, 2363, 2473, 3058, 4726, 4946, 25993, 27203, 42041, 51986, 54406, 84082, 343747, 462451, 687494, 924902, 3781217, 5843699, 7562434, 11687398, 64280689, 128561378]

約数ペア:

[(1, 128561378), (2, 64280689), (11, 11687398), (17, 7562434), (22, 5843699), (34, 3781217), (139, 924902), (187, 687494), (278, 462451), (374, 343747), (1529, 84082), (2363, 54406), (2473, 51986), (3058, 42041), (4726, 27203), (4946, 25993)]