1279628

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2021

約数の個数: 24

約数和(自身を含む): 2671872

約数和(自身を除く): 1392244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 1987, 3974, 7948, 13909, 27818, 45701, 55636, 91402, 182804, 319907, 639814, 1279628]

約数ペア:

[(1, 1279628), (2, 639814), (4, 319907), (7, 182804), (14, 91402), (23, 55636), (28, 45701), (46, 27818), (92, 13909), (161, 7948), (322, 3974), (644, 1987)]