66862064

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{219941}}^1$

素因数の和:219968

約数の個数: 20

約数和(自身を含む): 136364040

約数和(自身を除く): 69501976

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 219941, 439882, 879764, 1759528, 3519056, 4178879, 8357758, 16715516, 33431032, 66862064]

約数ペア:

[(1, 66862064), (2, 33431032), (4, 16715516), (8, 8357758), (16, 4178879), (19, 3519056), (38, 1759528), (76, 879764), (152, 439882), (304, 219941)]