81441412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{709}}^1$

素因数の和:820

約数の個数: 36

約数和(自身を含む): 157042060

約数和(自身を除く): 75600648

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 709, 1222, 1418, 2209, 2444, 2836, 4418, 8836, 9217, 18434, 28717, 33323, 36868, 57434, 66646, 114868, 133292, 433199, 866398, 1566181, 1732796, 3132362, 6264724, 20360353, 40720706, 81441412]

約数ペア:

[(1, 81441412), (2, 40720706), (4, 20360353), (13, 6264724), (26, 3132362), (47, 1732796), (52, 1566181), (94, 866398), (188, 433199), (611, 133292), (709, 114868), (1222, 66646), (1418, 57434), (2209, 36868), (2444, 33323), (2836, 28717), (4418, 18434), (8836, 9217)]