199904518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{65371}}^1$

素因数の和:65523

約数の個数: 16

約数和(自身を含む): 329474880

約数和(自身を除く): 129570362

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 65371, 130742, 719081, 1438162, 9086569, 18173138, 99952259, 199904518]

約数ペア:

[(1, 199904518), (2, 99952259), (11, 18173138), (22, 9086569), (139, 1438162), (278, 719081), (1529, 130742), (3058, 65371)]