66811619

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21841}}^1$

素因数の和:21890

約数の個数: 16

約数和(自身を含む): 83873280

約数和(自身を除く): 17061661

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 21841, 152887, 414979, 502343, 2904853, 3516401, 9544517, 66811619]

約数ペア:

[(1, 66811619), (7, 9544517), (19, 3516401), (23, 2904853), (133, 502343), (161, 414979), (437, 152887), (3059, 21841)]