81716972

素因数分解:

$2^2\times {\mathrm{151}}^1\times {\mathrm{193}}^1\times {\mathrm{701}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 144904032

約数和(自身を除く): 63187060

約数列:

[1, 2, 4, 151, 193, 302, 386, 604, 701, 772, 1402, 2804, 29143, 58286, 105851, 116572, 135293, 211702, 270586, 423404, 541172, 20429243, 40858486, 81716972]

約数ペア:

[(1, 81716972), (2, 40858486), (4, 20429243), (151, 541172), (193, 423404), (302, 270586), (386, 211702), (604, 135293), (701, 116572), (772, 105851), (1402, 58286), (2804, 29143)]