856981013

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{76949}}^1$

素因数の和:77036

約数の個数: 16

約数和(自身を含む): 1029283200

約数和(自身を除く): 172302187

約数列:

[1, 7, 37, 43, 259, 301, 1591, 11137, 76949, 538643, 2847113, 3308807, 19929791, 23161649, 122425859, 856981013]

約数ペア:

[(1, 856981013), (7, 122425859), (37, 23161649), (43, 19929791), (259, 3308807), (301, 2847113), (1591, 538643), (11137, 76949)]