81372745

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{4877}}^1$

素因数の和:5000

約数の個数: 16

約数和(自身を含む): 101150208

約数和(自身を除く): 19777463

約数列:

[1, 5, 47, 71, 235, 355, 3337, 4877, 16685, 24385, 229219, 346267, 1146095, 1731335, 16274549, 81372745]

約数ペア:

[(1, 81372745), (5, 16274549), (47, 1731335), (71, 1146095), (235, 346267), (355, 229219), (3337, 24385), (4877, 16685)]