81320668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{142169}}^1$

素因数の和:142197

約数の個数: 24

約数和(自身を含む): 167191920

約数和(自身を除く): 85871252

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 142169, 284338, 568676, 1563859, 1848197, 3127718, 3696394, 6255436, 7392788, 20330167, 40660334, 81320668]

約数ペア:

[(1, 81320668), (2, 40660334), (4, 20330167), (11, 7392788), (13, 6255436), (22, 3696394), (26, 3127718), (44, 1848197), (52, 1563859), (143, 568676), (286, 284338), (572, 142169)]