688731652

素因数分解:

$2^2\times 7^4\times {\mathrm{71713}}^1$

素因数の和:71745

約数の個数: 30

約数和(自身を含む): 1406096398

約数和(自身を除く): 717364746

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 4802, 9604, 71713, 143426, 286852, 501991, 1003982, 2007964, 3513937, 7027874, 14055748, 24597559, 49195118, 98390236, 172182913, 344365826, 688731652]

約数ペア:

[(1, 688731652), (2, 344365826), (4, 172182913), (7, 98390236), (14, 49195118), (28, 24597559), (49, 14055748), (98, 7027874), (196, 3513937), (343, 2007964), (686, 1003982), (1372, 501991), (2401, 286852), (4802, 143426), (9604, 71713)]