81657004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{142757}}^1$

素因数の和:142785

約数の個数: 24

約数和(自身を含む): 167883408

約数和(自身を除く): 86226404

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 142757, 285514, 571028, 1570327, 1855841, 3140654, 3711682, 6281308, 7423364, 20414251, 40828502, 81657004]

約数ペア:

[(1, 81657004), (2, 40828502), (4, 20414251), (11, 7423364), (13, 6281308), (22, 3711682), (26, 3140654), (44, 1855841), (52, 1570327), (143, 571028), (286, 285514), (572, 142757)]