64365487408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211728577}}^1$

素因数の和:211728604

約数の個数: 20

約数和(自身を含む): 131271718360

約数和(自身を除く): 66906230952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 211728577, 423457154, 846914308, 1693828616, 3387657232, 4022842963, 8045685926, 16091371852, 32182743704, 64365487408]

約数ペア:

[(1, 64365487408), (2, 32182743704), (4, 16091371852), (8, 8045685926), (16, 4022842963), (19, 3387657232), (38, 1693828616), (76, 846914308), (152, 423457154), (304, 211728577)]