72720767

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 84480000

約数和(自身を除く): 11759233

約数列:

[1, 7, 109, 191, 499, 763, 1337, 3493, 20819, 54391, 95309, 145733, 380737, 667163, 10388681, 72720767]

約数ペア:

[(1, 72720767), (7, 10388681), (109, 667163), (191, 380737), (499, 145733), (763, 95309), (1337, 54391), (3493, 20819)]