668538

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2878

約数の個数: 24

約数和(自身を含む): 1560468

約数和(自身を除く): 891930

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 2857, 5714, 8571, 17142, 25713, 37141, 51426, 74282, 111423, 222846, 334269, 668538]

約数ペア:

[(1, 668538), (2, 334269), (3, 222846), (6, 111423), (9, 74282), (13, 51426), (18, 37141), (26, 25713), (39, 17142), (78, 8571), (117, 5714), (234, 2857)]