68018984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1987}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 139557600

約数和(自身を除く): 71538616

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 389, 778, 1556, 1987, 3112, 3974, 4279, 7948, 8558, 15896, 17116, 21857, 34232, 43714, 87428, 174856, 772943, 1545886, 3091772, 6183544, 8502373, 17004746, 34009492, 68018984]

約数ペア:

[(1, 68018984), (2, 34009492), (4, 17004746), (8, 8502373), (11, 6183544), (22, 3091772), (44, 1545886), (88, 772943), (389, 174856), (778, 87428), (1556, 43714), (1987, 34232), (3112, 21857), (3974, 17116), (4279, 15896), (7948, 8558)]