66041264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{217241}}^1$

素因数の和:217268

約数の個数: 20

約数和(自身を含む): 134690040

約数和(自身を除く): 68648776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 217241, 434482, 868964, 1737928, 3475856, 4127579, 8255158, 16510316, 33020632, 66041264]

約数ペア:

[(1, 66041264), (2, 33020632), (4, 16510316), (8, 8255158), (16, 4127579), (19, 3475856), (38, 1737928), (76, 868964), (152, 434482), (304, 217241)]