129321344

素因数分解:

$2^7\times {\mathrm{199}}^1\times {\mathrm{5077}}^1$

素因数の和:5290

約数の個数: 32

約数和(自身を含む): 258978000

約数和(自身を除く): 129656656

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 398, 796, 1592, 3184, 5077, 6368, 10154, 12736, 20308, 25472, 40616, 81232, 162464, 324928, 649856, 1010323, 2020646, 4041292, 8082584, 16165168, 32330336, 64660672, 129321344]

約数ペア:

[(1, 129321344), (2, 64660672), (4, 32330336), (8, 16165168), (16, 8082584), (32, 4041292), (64, 2020646), (128, 1010323), (199, 649856), (398, 324928), (796, 162464), (1592, 81232), (3184, 40616), (5077, 25472), (6368, 20308), (10154, 12736)]