978728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 1987200

約数和(自身を除く): 1008472

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 137, 152, 188, 274, 376, 548, 893, 1096, 1786, 2603, 3572, 5206, 6439, 7144, 10412, 12878, 20824, 25756, 51512, 122341, 244682, 489364, 978728]

約数ペア:

[(1, 978728), (2, 489364), (4, 244682), (8, 122341), (19, 51512), (38, 25756), (47, 20824), (76, 12878), (94, 10412), (137, 7144), (152, 6439), (188, 5206), (274, 3572), (376, 2603), (548, 1786), (893, 1096)]