66998701

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37831}}^1$

素因数の和:37872

約数の個数: 16

約数和(自身を含む): 87164928

約数和(自身を除く): 20166227

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 37831, 264817, 416141, 870113, 2912987, 6090791, 9571243, 66998701]

約数ペア:

[(1, 66998701), (7, 9571243), (11, 6090791), (23, 2912987), (77, 870113), (161, 416141), (253, 264817), (1771, 37831)]