12811331312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1986869}}^1$

素因数の和:1986921

約数の個数: 40

約数和(自身を含む): 27593650560

約数和(自身を除く): 14782319248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 1986869, 3973738, 7947476, 15894952, 25829297, 31789904, 51658594, 61592939, 103317188, 123185878, 206634376, 246371756, 413268752, 492743512, 800708207, 985487024, 1601416414, 3202832828, 6405665656, 12811331312]

約数ペア:

[(1, 12811331312), (2, 6405665656), (4, 3202832828), (8, 1601416414), (13, 985487024), (16, 800708207), (26, 492743512), (31, 413268752), (52, 246371756), (62, 206634376), (104, 123185878), (124, 103317188), (208, 61592939), (248, 51658594), (403, 31789904), (496, 25829297), (806, 15894952), (1612, 7947476), (3224, 3973738), (6448, 1986869)]