678604672

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1083

約数の個数: 64

約数和(自身を含む): 1394870400

約数和(自身を除く): 716265728

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 139, 172, 278, 344, 556, 688, 887, 1112, 1376, 1774, 2224, 2752, 3548, 4448, 5504, 5977, 7096, 8896, 11954, 14192, 17792, 23908, 28384, 38141, 47816, 56768, 76282, 95632, 113536, 123293, 152564, 191264, 246586, 305128, 382528, 493172, 610256, 765056, 986344, 1220512, 1972688, 2441024, 3945376, 4882048, 5301599, 7890752, 10603198, 15781504, 21206396, 42412792, 84825584, 169651168, 339302336, 678604672]

約数ペア:

[(1, 678604672), (2, 339302336), (4, 169651168), (8, 84825584), (16, 42412792), (32, 21206396), (43, 15781504), (64, 10603198), (86, 7890752), (128, 5301599), (139, 4882048), (172, 3945376), (278, 2441024), (344, 1972688), (556, 1220512), (688, 986344), (887, 765056), (1112, 610256), (1376, 493172), (1774, 382528), (2224, 305128), (2752, 246586), (3548, 191264), (4448, 152564), (5504, 123293), (5977, 113536), (7096, 95632), (8896, 76282), (11954, 56768), (14192, 47816), (17792, 38141), (23908, 28384)]