138971144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1336261}}^1$

素因数の和:1336280

約数の個数: 16

約数和(自身を含む): 280615020

約数和(自身を除く): 141643876

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1336261, 2672522, 5345044, 10690088, 17371393, 34742786, 69485572, 138971144]

約数ペア:

[(1, 138971144), (2, 69485572), (4, 34742786), (8, 17371393), (13, 10690088), (26, 5345044), (52, 2672522), (104, 1336261)]