28539719

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1451}}^1$

素因数の和:1570

約数の個数: 16

約数和(自身を含む): 32931360

約数和(自身を除く): 4391641

約数列:

[1, 13, 17, 89, 221, 1157, 1451, 1513, 18863, 19669, 24667, 129139, 320671, 1678807, 2195363, 28539719]

約数ペア:

[(1, 28539719), (13, 2195363), (17, 1678807), (89, 320671), (221, 129139), (1157, 24667), (1451, 19669), (1513, 18863)]