28129412

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 50127000

約数和(自身を除く): 21997588

約数列:

[1, 2, 4, 109, 149, 218, 298, 433, 436, 596, 866, 1732, 16241, 32482, 47197, 64517, 64964, 94394, 129034, 188788, 258068, 7032353, 14064706, 28129412]

約数ペア:

[(1, 28129412), (2, 14064706), (4, 7032353), (109, 258068), (149, 188788), (218, 129034), (298, 94394), (433, 64964), (436, 64517), (596, 47197), (866, 32482), (1732, 16241)]