51221264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{168491}}^1$

素因数の和:168518

約数の個数: 20

約数和(自身を含む): 104465040

約数和(自身を除く): 53243776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 168491, 336982, 673964, 1347928, 2695856, 3201329, 6402658, 12805316, 25610632, 51221264]

約数ペア:

[(1, 51221264), (2, 25610632), (4, 12805316), (8, 6402658), (16, 3201329), (19, 2695856), (38, 1347928), (76, 673964), (152, 336982), (304, 168491)]