28289879

素因数分解:

${\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 30746880

約数和(自身を除く): 2457001

約数列:

[1, 19, 67, 71, 313, 1273, 1349, 4757, 5947, 20971, 22223, 90383, 398449, 422237, 1488941, 28289879]

約数ペア:

[(1, 28289879), (19, 1488941), (67, 422237), (71, 398449), (313, 90383), (1273, 22223), (1349, 20971), (4757, 5947)]