71803810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{859}}^1$

素因数の和:1522

約数の個数: 32

約数和(自身を含む): 139567680

約数和(自身を除く): 67763870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 643, 859, 1286, 1718, 3215, 4295, 6430, 8359, 8590, 11167, 16718, 22334, 41795, 55835, 83590, 111670, 552337, 1104674, 2761685, 5523370, 7180381, 14360762, 35901905, 71803810]

約数ペア:

[(1, 71803810), (2, 35901905), (5, 14360762), (10, 7180381), (13, 5523370), (26, 2761685), (65, 1104674), (130, 552337), (643, 111670), (859, 83590), (1286, 55835), (1718, 41795), (3215, 22334), (4295, 16718), (6430, 11167), (8359, 8590)]