127921808

素因数分解:

$2^4\times 7^1\times {\mathrm{1142159}}^1$

素因数の和:1142174

約数の個数: 20

約数和(自身を含む): 283255680

約数和(自身を除く): 155333872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1142159, 2284318, 4568636, 7995113, 9137272, 15990226, 18274544, 31980452, 63960904, 127921808]

約数ペア:

[(1, 127921808), (2, 63960904), (4, 31980452), (7, 18274544), (8, 15990226), (14, 9137272), (16, 7995113), (28, 4568636), (56, 2284318), (112, 1142159)]