816996947

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{20021}}^1$

素因数の和:20150

約数の個数: 16

約数和(自身を含む): 912682848

約数和(自身を除く): 95685901

約数列:

[1, 13, 43, 73, 559, 949, 3139, 20021, 40807, 260273, 860903, 1461533, 11191739, 18999929, 62845919, 816996947]

約数ペア:

[(1, 816996947), (13, 62845919), (43, 18999929), (73, 11191739), (559, 1461533), (949, 860903), (3139, 260273), (20021, 40807)]