201315785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1549}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 281232000

約数和(自身を除く): 79916215

約数列:

[1, 5, 11, 17, 55, 85, 139, 187, 695, 935, 1529, 1549, 2363, 7645, 7745, 11815, 17039, 25993, 26333, 85195, 129965, 131665, 215311, 289663, 1076555, 1448315, 2368421, 3660287, 11842105, 18301435, 40263157, 201315785]

約数ペア:

[(1, 201315785), (5, 40263157), (11, 18301435), (17, 11842105), (55, 3660287), (85, 2368421), (139, 1448315), (187, 1076555), (695, 289663), (935, 215311), (1529, 131665), (1549, 129965), (2363, 85195), (7645, 26333), (7745, 25993), (11815, 17039)]