27989776

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{56431}}^1$

素因数の和:56470

約数の個数: 20

約数和(自身を含む): 55980544

約数和(自身を除く): 27990768

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 56431, 112862, 225724, 451448, 902896, 1749361, 3498722, 6997444, 13994888, 27989776]

約数ペア:

[(1, 27989776), (2, 13994888), (4, 6997444), (8, 3498722), (16, 1749361), (31, 902896), (62, 451448), (124, 225724), (248, 112862), (496, 56431)]