127945856

素因数分解:

$2^7\times {\mathrm{199}}^1\times {\mathrm{5023}}^1$

素因数の和:5236

約数の個数: 32

約数和(自身を含む): 256224000

約数和(自身を除く): 128278144

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 398, 796, 1592, 3184, 5023, 6368, 10046, 12736, 20092, 25472, 40184, 80368, 160736, 321472, 642944, 999577, 1999154, 3998308, 7996616, 15993232, 31986464, 63972928, 127945856]

約数ペア:

[(1, 127945856), (2, 63972928), (4, 31986464), (8, 15993232), (16, 7996616), (32, 3998308), (64, 1999154), (128, 999577), (199, 642944), (398, 321472), (796, 160736), (1592, 80368), (3184, 40184), (5023, 25472), (6368, 20092), (10046, 12736)]