128434278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{3057959}}^1$

素因数の和:3057971

約数の個数: 16

約数和(自身を含む): 293564160

約数和(自身を除く): 165129882

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 3057959, 6115918, 9173877, 18347754, 21405713, 42811426, 64217139, 128434278]

約数ペア:

[(1, 128434278), (2, 64217139), (3, 42811426), (6, 21405713), (7, 18347754), (14, 9173877), (21, 6115918), (42, 3057959)]