66864838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{12659}}^1$

素因数の和:12819

約数の個数: 16

約数和(自身を含む): 106344000

約数和(自身を除く): 39479162

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 12659, 25318, 240521, 481042, 1759601, 3519202, 33432419, 66864838]

約数ペア:

[(1, 66864838), (2, 33432419), (19, 3519202), (38, 1759601), (139, 481042), (278, 240521), (2641, 25318), (5282, 12659)]