66439504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{218551}}^1$

素因数の和:218578

約数の個数: 20

約数和(自身を含む): 135502240

約数和(自身を除く): 69062736

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 218551, 437102, 874204, 1748408, 3496816, 4152469, 8304938, 16609876, 33219752, 66439504]

約数ペア:

[(1, 66439504), (2, 33219752), (4, 16609876), (8, 8304938), (16, 4152469), (19, 3496816), (38, 1748408), (76, 874204), (152, 437102), (304, 218551)]