81667264

素因数分解:

$2^6\times 7^1\times {\mathrm{421}}^1\times {\mathrm{433}}^1$

素因数の和:873

約数の個数: 56

約数和(自身を含む): 186078368

約数和(自身を除く): 104411104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 421, 433, 448, 842, 866, 1684, 1732, 2947, 3031, 3368, 3464, 5894, 6062, 6736, 6928, 11788, 12124, 13472, 13856, 23576, 24248, 26944, 27712, 47152, 48496, 94304, 96992, 182293, 188608, 193984, 364586, 729172, 1276051, 1458344, 2552102, 2916688, 5104204, 5833376, 10208408, 11666752, 20416816, 40833632, 81667264]

約数ペア:

[(1, 81667264), (2, 40833632), (4, 20416816), (7, 11666752), (8, 10208408), (14, 5833376), (16, 5104204), (28, 2916688), (32, 2552102), (56, 1458344), (64, 1276051), (112, 729172), (224, 364586), (421, 193984), (433, 188608), (448, 182293), (842, 96992), (866, 94304), (1684, 48496), (1732, 47152), (2947, 27712), (3031, 26944), (3368, 24248), (3464, 23576), (5894, 13856), (6062, 13472), (6736, 12124), (6928, 11788)]