28820743

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{499}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 34048000

約数和(自身を除く): 5227257

約数列:

[1, 7, 37, 223, 259, 499, 1561, 3493, 8251, 18463, 57757, 111277, 129241, 778939, 4117249, 28820743]

約数ペア:

[(1, 28820743), (7, 4117249), (37, 778939), (223, 129241), (259, 111277), (499, 57757), (1561, 18463), (3493, 8251)]