81392012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{2153}}^1$

素因数の和:2897

約数の個数: 24

約数和(自身を含む): 153674976

約数和(自身を除く): 72282964

約数列:

[1, 2, 4, 13, 26, 52, 727, 1454, 2153, 2908, 4306, 8612, 9451, 18902, 27989, 37804, 55978, 111956, 1565231, 3130462, 6260924, 20348003, 40696006, 81392012]

約数ペア:

[(1, 81392012), (2, 40696006), (4, 20348003), (13, 6260924), (26, 3130462), (52, 1565231), (727, 111956), (1454, 55978), (2153, 37804), (2908, 27989), (4306, 18902), (8612, 9451)]