171721712

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{77213}}^1$

素因数の和:77360

約数の個数: 20

約数和(自身を含む): 335108760

約数和(自身を除く): 163387048

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 77213, 154426, 308852, 617704, 1235408, 10732607, 21465214, 42930428, 85860856, 171721712]

約数ペア:

[(1, 171721712), (2, 85860856), (4, 42930428), (8, 21465214), (16, 10732607), (139, 1235408), (278, 617704), (556, 308852), (1112, 154426), (2224, 77213)]