489364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 927360

約数和(自身を除く): 437996

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 137, 188, 274, 548, 893, 1786, 2603, 3572, 5206, 6439, 10412, 12878, 25756, 122341, 244682, 489364]

約数ペア:

[(1, 489364), (2, 244682), (4, 122341), (19, 25756), (38, 12878), (47, 10412), (76, 6439), (94, 5206), (137, 3572), (188, 2603), (274, 1786), (548, 893)]