128255708

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{111721}}^1$

素因数の和:111773

約数の個数: 24

約数和(自身を含む): 262770144

約数和(自身を除く): 134514436

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 111721, 223442, 446884, 782047, 1564094, 3128188, 4580561, 9161122, 18322244, 32063927, 64127854, 128255708]

約数ペア:

[(1, 128255708), (2, 64127854), (4, 32063927), (7, 18322244), (14, 9161122), (28, 4580561), (41, 3128188), (82, 1564094), (164, 782047), (287, 446884), (574, 223442), (1148, 111721)]