158072012

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{28657}}^1$

素因数の和:28865

約数の個数: 24

約数和(自身を含む): 317759904

約数和(自身を除く): 159687892

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 28657, 57314, 114628, 200599, 401198, 802396, 5645429, 11290858, 22581716, 39518003, 79036006, 158072012]

約数ペア:

[(1, 158072012), (2, 79036006), (4, 39518003), (7, 22581716), (14, 11290858), (28, 5645429), (197, 802396), (394, 401198), (788, 200599), (1379, 114628), (2758, 57314), (5516, 28657)]