81280628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{142099}}^1$

素因数の和:142127

約数の個数: 24

約数和(自身を含む): 167109600

約数和(自身を除く): 85828972

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 142099, 284198, 568396, 1563089, 1847287, 3126178, 3694574, 6252356, 7389148, 20320157, 40640314, 81280628]

約数ペア:

[(1, 81280628), (2, 40640314), (4, 20320157), (11, 7389148), (13, 6252356), (22, 3694574), (26, 3126178), (44, 1847287), (52, 1563089), (143, 568396), (286, 284198), (572, 142099)]