71965439

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 89948160

約数和(自身を除く): 17982721

約数列:

[1, 7, 13, 91, 127, 169, 479, 889, 1183, 1651, 3353, 6227, 11557, 21463, 43589, 60833, 80951, 150241, 425831, 566657, 790829, 5535803, 10280777, 71965439]

約数ペア:

[(1, 71965439), (7, 10280777), (13, 5535803), (91, 790829), (127, 566657), (169, 425831), (479, 150241), (889, 80951), (1183, 60833), (1651, 43589), (3353, 21463), (6227, 11557)]