28141729

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 36115200

約数和(自身を除く): 7973471

約数列:

[1, 7, 11, 49, 77, 109, 479, 539, 763, 1199, 3353, 5269, 5341, 8393, 23471, 36883, 52211, 58751, 258181, 365477, 574321, 2558339, 4020247, 28141729]

約数ペア:

[(1, 28141729), (7, 4020247), (11, 2558339), (49, 574321), (77, 365477), (109, 258181), (479, 58751), (539, 52211), (763, 36883), (1199, 23471), (3353, 8393), (5269, 5341)]