72639175

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{18047}}^1$

素因数の和:18087

約数の個数: 24

約数和(自身を含む): 107421696

約数和(自身を除く): 34782521

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 18047, 90235, 126329, 415081, 451175, 631645, 2075405, 2905567, 3158225, 10377025, 14527835, 72639175]

約数ペア:

[(1, 72639175), (5, 14527835), (7, 10377025), (23, 3158225), (25, 2905567), (35, 2075405), (115, 631645), (161, 451175), (175, 415081), (575, 126329), (805, 90235), (4025, 18047)]