64232464

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{211291}}^1$

素因数の和:211318

約数の個数: 20

約数和(自身を含む): 131001040

約数和(自身を除く): 66768576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 211291, 422582, 845164, 1690328, 3380656, 4014529, 8029058, 16058116, 32116232, 64232464]

約数ペア:

[(1, 64232464), (2, 32116232), (4, 16058116), (8, 8029058), (16, 4014529), (19, 3380656), (38, 1690328), (76, 845164), (152, 422582), (304, 211291)]