51086665

素因数分解:

$5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1913}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 72004680

約数和(自身を除く): 20918015

約数列:

[1, 5, 7, 35, 49, 109, 245, 545, 763, 1913, 3815, 5341, 9565, 13391, 26705, 66955, 93737, 208517, 468685, 1042585, 1459619, 7298095, 10217333, 51086665]

約数ペア:

[(1, 51086665), (5, 10217333), (7, 7298095), (35, 1459619), (49, 1042585), (109, 468685), (245, 208517), (545, 93737), (763, 66955), (1913, 26705), (3815, 13391), (5341, 9565)]