4971486128

素因数分解:

$2^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{172717}}^1$

素因数の和:172989

約数の個数: 40

約数和(自身を含む): 11051188512

約数和(自身を除く): 6079702384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 257, 514, 1028, 1799, 2056, 3598, 4112, 7196, 14392, 28784, 172717, 345434, 690868, 1209019, 1381736, 2418038, 2763472, 4836076, 9672152, 19344304, 44388269, 88776538, 177553076, 310717883, 355106152, 621435766, 710212304, 1242871532, 2485743064, 4971486128]

約数ペア:

[(1, 4971486128), (2, 2485743064), (4, 1242871532), (7, 710212304), (8, 621435766), (14, 355106152), (16, 310717883), (28, 177553076), (56, 88776538), (112, 44388269), (257, 19344304), (514, 9672152), (1028, 4836076), (1799, 2763472), (2056, 2418038), (3598, 1381736), (4112, 1209019), (7196, 690868), (14392, 345434), (28784, 172717)]