220172942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{71999}}^1$

素因数の和:72151

約数の個数: 16

約数和(自身を含む): 362880000

約数和(自身を除く): 142707058

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 71999, 143998, 791989, 1583978, 10007861, 20015722, 110086471, 220172942]

約数ペア:

[(1, 220172942), (2, 110086471), (11, 20015722), (22, 10007861), (139, 1583978), (278, 791989), (1529, 143998), (3058, 71999)]