261520504

素因数分解:

$2^3\times 7^1\times {\mathrm{4670009}}^1$

素因数の和:4670022

約数の個数: 16

約数和(自身を含む): 560401200

約数和(自身を除く): 298880696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4670009, 9340018, 18680036, 32690063, 37360072, 65380126, 130760252, 261520504]

約数ペア:

[(1, 261520504), (2, 130760252), (4, 65380126), (7, 37360072), (8, 32690063), (14, 18680036), (28, 9340018), (56, 4670009)]