81070072

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{2693}}^1$

素因数の和:2823

約数の個数: 32

約数和(自身を含む): 157114080

約数和(自身を除く): 76044008

約数列:

[1, 2, 4, 8, 53, 71, 106, 142, 212, 284, 424, 568, 2693, 3763, 5386, 7526, 10772, 15052, 21544, 30104, 142729, 191203, 285458, 382406, 570916, 764812, 1141832, 1529624, 10133759, 20267518, 40535036, 81070072]

約数ペア:

[(1, 81070072), (2, 40535036), (4, 20267518), (8, 10133759), (53, 1529624), (71, 1141832), (106, 764812), (142, 570916), (212, 382406), (284, 285458), (424, 191203), (568, 142729), (2693, 30104), (3763, 21544), (5386, 15052), (7526, 10772)]