39997285

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{3109}}^1$

素因数の和:3228

約数の個数: 16

約数和(自身を含む): 50158080

約数和(自身を除く): 10160795

約数列:

[1, 5, 31, 83, 155, 415, 2573, 3109, 12865, 15545, 96379, 258047, 481895, 1290235, 7999457, 39997285]

約数ペア:

[(1, 39997285), (5, 7999457), (31, 1290235), (83, 481895), (155, 258047), (415, 96379), (2573, 15545), (3109, 12865)]