66699728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{219407}}^1$

素因数の和:219434

約数の個数: 20

約数和(自身を含む): 136032960

約数和(自身を除く): 69333232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 219407, 438814, 877628, 1755256, 3510512, 4168733, 8337466, 16674932, 33349864, 66699728]

約数ペア:

[(1, 66699728), (2, 33349864), (4, 16674932), (8, 8337466), (16, 4168733), (19, 3510512), (38, 1755256), (76, 877628), (152, 438814), (304, 219407)]