1261619306

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{306367}}^1$

素因数の和:306469

約数の個数: 16

約数和(自身を含む): 1985264640

約数和(自身を除く): 723645334

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 306367, 612734, 8884643, 17769286, 21752057, 43504114, 630809653, 1261619306]

約数ペア:

[(1, 1261619306), (2, 630809653), (29, 43504114), (58, 21752057), (71, 17769286), (142, 8884643), (2059, 612734), (4118, 306367)]