71399405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{10909}}^1$

素因数の和:10949

約数の個数: 32

約数和(自身を含む): 113114880

約数和(自身を除く): 41715475

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 10909, 54545, 76363, 119999, 185453, 381815, 599995, 839993, 927265, 1298171, 2039983, 4199965, 6490855, 10199915, 14279881, 71399405]

約数ペア:

[(1, 71399405), (5, 14279881), (7, 10199915), (11, 6490855), (17, 4199965), (35, 2039983), (55, 1298171), (77, 927265), (85, 839993), (119, 599995), (187, 381815), (385, 185453), (595, 119999), (935, 76363), (1309, 54545), (6545, 10909)]