78666916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{3307}}^1$

素因数の和:3643

約数の個数: 24

約数和(自身を含む): 145419680

約数和(自身を除く): 66752764

約数列:

[1, 2, 4, 19, 38, 76, 313, 626, 1252, 3307, 5947, 6614, 11894, 13228, 23788, 62833, 125666, 251332, 1035091, 2070182, 4140364, 19666729, 39333458, 78666916]

約数ペア:

[(1, 78666916), (2, 39333458), (4, 19666729), (19, 4140364), (38, 2070182), (76, 1035091), (313, 251332), (626, 125666), (1252, 62833), (3307, 23788), (5947, 13228), (6614, 11894)]