161567861776

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{79511743}}^1$

素因数の和:79511878

約数の個数: 20

約数和(自身を含む): 315502600192

約数和(自身を除く): 153934738416

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 79511743, 159023486, 318046972, 636093944, 1272187888, 10097991361, 20195982722, 40391965444, 80783930888, 161567861776]

約数ペア:

[(1, 161567861776), (2, 80783930888), (4, 40391965444), (8, 20195982722), (16, 10097991361), (127, 1272187888), (254, 636093944), (508, 318046972), (1016, 159023486), (2032, 79511743)]