28000000504

素因数分解:

$2^3\times 7^1\times {\mathrm{500000009}}^1$

素因数の和:500000022

約数の個数: 16

約数和(自身を含む): 60000001200

約数和(自身を除く): 32000000696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 500000009, 1000000018, 2000000036, 3500000063, 4000000072, 7000000126, 14000000252, 28000000504]

約数ペア:

[(1, 28000000504), (2, 14000000252), (4, 7000000126), (7, 4000000072), (8, 3500000063), (14, 2000000036), (28, 1000000018), (56, 500000009)]