12778596

素因数分解:

$2^2\times 3^2\times {\mathrm{354961}}^1$

素因数の和:354971

約数の個数: 18

約数和(自身を含む): 32301542

約数和(自身を除く): 19522946

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 354961, 709922, 1064883, 1419844, 2129766, 3194649, 4259532, 6389298, 12778596]

約数ペア:

[(1, 12778596), (2, 6389298), (3, 4259532), (4, 3194649), (6, 2129766), (9, 1419844), (12, 1064883), (18, 709922), (36, 354961)]