12678991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 14624064

約数和(自身を除く): 1945073

約数列:

[1, 13, 17, 103, 221, 557, 1339, 1751, 7241, 9469, 22763, 57371, 123097, 745823, 975307, 12678991]

約数ペア:

[(1, 12678991), (13, 975307), (17, 745823), (103, 123097), (221, 57371), (557, 22763), (1339, 9469), (1751, 7241)]