661136

素因数分解:

$2^4\times 7^1\times {\mathrm{5903}}^1$

素因数の和:5918

約数の個数: 20

約数和(自身を含む): 1464192

約数和(自身を除く): 803056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 5903, 11806, 23612, 41321, 47224, 82642, 94448, 165284, 330568, 661136]

約数ペア:

[(1, 661136), (2, 330568), (4, 165284), (7, 94448), (8, 82642), (14, 47224), (16, 41321), (28, 23612), (56, 11806), (112, 5903)]