28135156

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18959}}^1$

素因数の和:19023

約数の個数: 24

約数和(自身を含む): 57335040

約数和(自身を除く): 29199884

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 18959, 37918, 75836, 132713, 265426, 530852, 1004827, 2009654, 4019308, 7033789, 14067578, 28135156]

約数ペア:

[(1, 28135156), (2, 14067578), (4, 7033789), (7, 4019308), (14, 2009654), (28, 1004827), (53, 530852), (106, 265426), (212, 132713), (371, 75836), (742, 37918), (1484, 18959)]