164020415

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{2659}}^1$

素因数の和:2763

約数の個数: 24

約数和(自身を含む): 216130320

約数和(自身を除く): 52109905

約数列:

[1, 5, 13, 65, 73, 169, 365, 845, 949, 2659, 4745, 12337, 13295, 34567, 61685, 172835, 194107, 449371, 970535, 2246855, 2523391, 12616955, 32804083, 164020415]

約数ペア:

[(1, 164020415), (5, 32804083), (13, 12616955), (65, 2523391), (73, 2246855), (169, 970535), (365, 449371), (845, 194107), (949, 172835), (2659, 61685), (4745, 34567), (12337, 13295)]