1388572418

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{208057}}^1$

素因数の和:208177

約数の個数: 16

約数和(自身を含む): 2157145344

約数和(自身を除く): 768572926

約数列:

[1, 2, 47, 71, 94, 142, 3337, 6674, 208057, 416114, 9778679, 14772047, 19557358, 29544094, 694286209, 1388572418]

約数ペア:

[(1, 1388572418), (2, 694286209), (47, 29544094), (71, 19557358), (94, 14772047), (142, 9778679), (3337, 416114), (6674, 208057)]