81351556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{142223}}^1$

素因数の和:142251

約数の個数: 24

約数和(自身を含む): 167255424

約数和(自身を除く): 85903868

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 142223, 284446, 568892, 1564453, 1848899, 3128906, 3697798, 6257812, 7395596, 20337889, 40675778, 81351556]

約数ペア:

[(1, 81351556), (2, 40675778), (4, 20337889), (11, 7395596), (13, 6257812), (22, 3697798), (26, 3128906), (44, 1848899), (52, 1564453), (143, 568892), (286, 284446), (572, 142223)]