1291293164

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{112757}}^1$

素因数の和:113177

約数の個数: 24

約数和(自身を含む): 2588923680

約数和(自身を除く): 1297630516

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 5726, 11452, 112757, 225514, 451028, 789299, 1578598, 3157196, 46117613, 92235226, 184470452, 322823291, 645646582, 1291293164]

約数ペア:

[(1, 1291293164), (2, 645646582), (4, 322823291), (7, 184470452), (14, 92235226), (28, 46117613), (409, 3157196), (818, 1578598), (1636, 789299), (2863, 451028), (5726, 225514), (11452, 112757)]