81579212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1123}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 169193472

約数和(自身を除く): 87614260

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 127, 143, 254, 286, 508, 572, 1123, 1397, 1651, 2246, 2794, 3302, 4492, 5588, 6604, 12353, 14599, 18161, 24706, 29198, 36322, 49412, 58396, 72644, 142621, 160589, 285242, 321178, 570484, 642356, 1568831, 1854073, 3137662, 3708146, 6275324, 7416292, 20394803, 40789606, 81579212]

約数ペア:

[(1, 81579212), (2, 40789606), (4, 20394803), (11, 7416292), (13, 6275324), (22, 3708146), (26, 3137662), (44, 1854073), (52, 1568831), (127, 642356), (143, 570484), (254, 321178), (286, 285242), (508, 160589), (572, 142621), (1123, 72644), (1397, 58396), (1651, 49412), (2246, 36322), (2794, 29198), (3302, 24706), (4492, 18161), (5588, 14599), (6604, 12353)]