28196605

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 34816320

約数和(自身を除く): 6619715

約数列:

[1, 5, 43, 215, 313, 419, 1565, 2095, 13459, 18017, 67295, 90085, 131147, 655735, 5639321, 28196605]

約数ペア:

[(1, 28196605), (5, 5639321), (43, 655735), (215, 131147), (313, 90085), (419, 67295), (1565, 18017), (2095, 13459)]