878907029

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{4457}}^1$

素因数の和:4685

約数の個数: 32

約数和(自身を含む): 1186327296

約数和(自身を除く): 307420267

約数列:

[1, 7, 11, 13, 77, 91, 143, 197, 1001, 1379, 2167, 2561, 4457, 15169, 17927, 28171, 31199, 49027, 57941, 197197, 343189, 405587, 637351, 878029, 4461457, 6146203, 9658319, 11414377, 67608233, 79900639, 125558147, 878907029]

約数ペア:

[(1, 878907029), (7, 125558147), (11, 79900639), (13, 67608233), (77, 11414377), (91, 9658319), (143, 6146203), (197, 4461457), (1001, 878029), (1379, 637351), (2167, 405587), (2561, 343189), (4457, 197197), (15169, 57941), (17927, 49027), (28171, 31199)]