39407855

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 50645952

約数和(自身を除く): 11238097

約数列:

[1, 5, 23, 47, 115, 235, 317, 529, 1081, 1585, 2645, 5405, 7291, 14899, 24863, 36455, 74495, 124315, 167693, 342677, 838465, 1713385, 7881571, 39407855]

約数ペア:

[(1, 39407855), (5, 7881571), (23, 1713385), (47, 838465), (115, 342677), (235, 167693), (317, 124315), (529, 74495), (1081, 36455), (1585, 24863), (2645, 14899), (5405, 7291)]