12989728

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{4561}}^1$

素因数の和:4660

約数の個数: 24

約数和(自身を含む): 25866540

約数和(自身を除く): 12876812

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 4561, 9122, 18244, 36488, 72976, 145952, 405929, 811858, 1623716, 3247432, 6494864, 12989728]

約数ペア:

[(1, 12989728), (2, 6494864), (4, 3247432), (8, 1623716), (16, 811858), (32, 405929), (89, 145952), (178, 72976), (356, 36488), (712, 18244), (1424, 9122), (2848, 4561)]