81840868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{15349}}^1$

素因数の和:15427

約数の個数: 24

約数和(自身を含む): 151289600

約数和(自身を除く): 69448732

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 172, 1333, 2666, 5332, 15349, 30698, 61396, 475819, 660007, 951638, 1320014, 1903276, 2640028, 20460217, 40920434, 81840868]

約数ペア:

[(1, 81840868), (2, 40920434), (4, 20460217), (31, 2640028), (43, 1903276), (62, 1320014), (86, 951638), (124, 660007), (172, 475819), (1333, 61396), (2666, 30698), (5332, 15349)]