138852688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{667561}}^1$

素因数の和:667582

約数の個数: 20

約数和(自身を含む): 289721908

約数和(自身を除く): 150869220

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 667561, 1335122, 2670244, 5340488, 8678293, 10680976, 17356586, 34713172, 69426344, 138852688]

約数ペア:

[(1, 138852688), (2, 69426344), (4, 34713172), (8, 17356586), (13, 10680976), (16, 8678293), (26, 5340488), (52, 2670244), (104, 1335122), (208, 667561)]