320202496

素因数分解:

$2^8\times {\mathrm{421}}^1\times {\mathrm{2971}}^1$

素因数の和:3408

約数の個数: 36

約数和(自身を含む): 640888024

約数和(自身を除く): 320685528

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 421, 842, 1684, 2971, 3368, 5942, 6736, 11884, 13472, 23768, 26944, 47536, 53888, 95072, 107776, 190144, 380288, 760576, 1250791, 2501582, 5003164, 10006328, 20012656, 40025312, 80050624, 160101248, 320202496]

約数ペア:

[(1, 320202496), (2, 160101248), (4, 80050624), (8, 40025312), (16, 20012656), (32, 10006328), (64, 5003164), (128, 2501582), (256, 1250791), (421, 760576), (842, 380288), (1684, 190144), (2971, 107776), (3368, 95072), (5942, 53888), (6736, 47536), (11884, 26944), (13472, 23768)]