27872210

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 51840432

約数和(自身を除く): 23968222

約数列:

[1, 2, 5, 10, 41, 82, 157, 205, 314, 410, 433, 785, 866, 1570, 2165, 4330, 6437, 12874, 17753, 32185, 35506, 64370, 67981, 88765, 135962, 177530, 339905, 679810, 2787221, 5574442, 13936105, 27872210]

約数ペア:

[(1, 27872210), (2, 13936105), (5, 5574442), (10, 2787221), (41, 679810), (82, 339905), (157, 177530), (205, 135962), (314, 88765), (410, 67981), (433, 64370), (785, 35506), (866, 32185), (1570, 17753), (2165, 12874), (4330, 6437)]