16950025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{21871}}^1$

素因数の和:21912

約数の個数: 12

約数和(自身を含む): 21697024

約数和(自身を除く): 4746999

約数列:

[1, 5, 25, 31, 155, 775, 21871, 109355, 546775, 678001, 3390005, 16950025]

約数ペア:

[(1, 16950025), (5, 3390005), (25, 678001), (31, 546775), (155, 109355), (775, 21871)]