81642626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{18803}}^1$

素因数の和:18985

約数の個数: 16

約数和(自身を含む): 132681024

約数和(自身を除く): 51038398

約数列:

[1, 2, 13, 26, 167, 334, 2171, 4342, 18803, 37606, 244439, 488878, 3140101, 6280202, 40821313, 81642626]

約数ペア:

[(1, 81642626), (2, 40821313), (13, 6280202), (26, 3140101), (167, 488878), (334, 244439), (2171, 37606), (4342, 18803)]