16985258

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{631}}^1$

素因数の和:989

約数の個数: 16

約数和(自身を含む): 26195136

約数和(自身を除く): 9209878

約数列:

[1, 2, 43, 86, 313, 626, 631, 1262, 13459, 26918, 27133, 54266, 197503, 395006, 8492629, 16985258]

約数ペア:

[(1, 16985258), (2, 8492629), (43, 395006), (86, 197503), (313, 54266), (626, 27133), (631, 26918), (1262, 13459)]