8490986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 15500160

約数和(自身を除く): 7009174

約数列:

[1, 2, 7, 14, 19, 38, 133, 137, 233, 266, 274, 466, 959, 1631, 1918, 2603, 3262, 4427, 5206, 8854, 18221, 30989, 31921, 36442, 61978, 63842, 223447, 446894, 606499, 1212998, 4245493, 8490986]

約数ペア:

[(1, 8490986), (2, 4245493), (7, 1212998), (14, 606499), (19, 446894), (38, 223447), (133, 63842), (137, 61978), (233, 36442), (266, 31921), (274, 30989), (466, 18221), (959, 8854), (1631, 5206), (1918, 4427), (2603, 3262)]