28267088

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 56246400

約数和(自身を除く): 27979312

約数列:

[1, 2, 4, 8, 16, 71, 142, 149, 167, 284, 298, 334, 568, 596, 668, 1136, 1192, 1336, 2384, 2672, 10579, 11857, 21158, 23714, 24883, 42316, 47428, 49766, 84632, 94856, 99532, 169264, 189712, 199064, 398128, 1766693, 3533386, 7066772, 14133544, 28267088]

約数ペア:

[(1, 28267088), (2, 14133544), (4, 7066772), (8, 3533386), (16, 1766693), (71, 398128), (142, 199064), (149, 189712), (167, 169264), (284, 99532), (298, 94856), (334, 84632), (568, 49766), (596, 47428), (668, 42316), (1136, 24883), (1192, 23714), (1336, 21158), (2384, 11857), (2672, 10579)]