127891022

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{128663}}^1$

素因数の和:128743

約数の個数: 16

約数和(自身を含む): 222331392

約数和(自身を除く): 94440370

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 128663, 257326, 900641, 1801282, 9135073, 18270146, 63945511, 127891022]

約数ペア:

[(1, 127891022), (2, 63945511), (7, 18270146), (14, 9135073), (71, 1801282), (142, 900641), (497, 257326), (994, 128663)]