159701825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{613}}^2$

素因数の和:1253

約数の個数: 18

約数和(自身を含む): 210021714

約数和(自身を除く): 50319889

約数列:

[1, 5, 17, 25, 85, 425, 613, 3065, 10421, 15325, 52105, 260525, 375769, 1878845, 6388073, 9394225, 31940365, 159701825]

約数ペア:

[(1, 159701825), (5, 31940365), (17, 9394225), (25, 6388073), (85, 1878845), (425, 375769), (613, 260525), (3065, 52105), (10421, 15325)]