748821025

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{1523}}^1$

素因数の和:1881

約数の個数: 24

約数和(自身を含む): 945635904

約数和(自身を除く): 196814879

約数列:

[1, 5, 25, 71, 277, 355, 1385, 1523, 1775, 6925, 7615, 19667, 38075, 98335, 108133, 421871, 491675, 540665, 2109355, 2703325, 10546775, 29952841, 149764205, 748821025]

約数ペア:

[(1, 748821025), (5, 149764205), (25, 29952841), (71, 10546775), (277, 2703325), (355, 2109355), (1385, 540665), (1523, 491675), (1775, 421871), (6925, 108133), (7615, 98335), (19667, 38075)]