220348518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{27427}}^1$

素因数の和:27548

約数の個数: 32

約数和(自身を含む): 479222016

約数和(自身を除く): 258873498

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 206, 309, 618, 1339, 2678, 4017, 8034, 27427, 54854, 82281, 164562, 356551, 713102, 1069653, 2139306, 2824981, 5649962, 8474943, 16949886, 36724753, 73449506, 110174259, 220348518]

約数ペア:

[(1, 220348518), (2, 110174259), (3, 73449506), (6, 36724753), (13, 16949886), (26, 8474943), (39, 5649962), (78, 2824981), (103, 2139306), (206, 1069653), (309, 713102), (618, 356551), (1339, 164562), (2678, 82281), (4017, 54854), (8034, 27427)]