66725264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{219491}}^1$

素因数の和:219518

約数の個数: 20

約数和(自身を含む): 136085040

約数和(自身を除く): 69359776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 219491, 438982, 877964, 1755928, 3511856, 4170329, 8340658, 16681316, 33362632, 66725264]

約数ペア:

[(1, 66725264), (2, 33362632), (4, 16681316), (8, 8340658), (16, 4170329), (19, 3511856), (38, 1755928), (76, 877964), (152, 438982), (304, 219491)]