81738761654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{18670343}}^1$

素因数の和:18670555

約数の個数: 16

約数和(自身を含む): 134426476800

約数和(自身を除く): 52687715146

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 18670343, 37340686, 205373773, 410747546, 3715398257, 7430796514, 40869380827, 81738761654]

約数ペア:

[(1, 81738761654), (2, 40869380827), (11, 7430796514), (22, 3715398257), (199, 410747546), (398, 205373773), (2189, 37340686), (4378, 18670343)]