31880286

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{41189}}^1$

素因数の和:41240

約数の個数: 24

約数和(自身を含む): 70682040

約数和(自身を除く): 38801754

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 41189, 82378, 123567, 247134, 370701, 741402, 1771127, 3542254, 5313381, 10626762, 15940143, 31880286]

約数ペア:

[(1, 31880286), (2, 15940143), (3, 10626762), (6, 5313381), (9, 3542254), (18, 1771127), (43, 741402), (86, 370701), (129, 247134), (258, 123567), (387, 82378), (774, 41189)]