31361008

素因数分解:

$2^4\times 7^1\times {\mathrm{280009}}^1$

素因数の和:280024

約数の個数: 20

約数和(自身を含む): 69442480

約数和(自身を除く): 38081472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 280009, 560018, 1120036, 1960063, 2240072, 3920126, 4480144, 7840252, 15680504, 31361008]

約数ペア:

[(1, 31361008), (2, 15680504), (4, 7840252), (7, 4480144), (8, 3920126), (14, 2240072), (16, 1960063), (28, 1120036), (56, 560018), (112, 280009)]