2008550012

素因数分解:

$2^2\times 7^1\times {\mathrm{4001}}^1\times {\mathrm{17929}}^1$

素因数の和:21941

約数の個数: 24

約数和(自身を含む): 4018328160

約数和(自身を除く): 2009778148

約数列:

[1, 2, 4, 7, 14, 28, 4001, 8002, 16004, 17929, 28007, 35858, 56014, 71716, 112028, 125503, 251006, 502012, 71733929, 143467858, 286935716, 502137503, 1004275006, 2008550012]

約数ペア:

[(1, 2008550012), (2, 1004275006), (4, 502137503), (7, 286935716), (14, 143467858), (28, 71733929), (4001, 502012), (8002, 251006), (16004, 125503), (17929, 112028), (28007, 71716), (35858, 56014)]