641092018

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1990969}}^1$

素因数の和:1991001

約数の個数: 16

約数和(自身を含む): 1146798720

約数和(自身を除く): 505706702

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 1990969, 3981938, 13936783, 27873566, 45792287, 91584574, 320546009, 641092018]

約数ペア:

[(1, 641092018), (2, 320546009), (7, 91584574), (14, 45792287), (23, 27873566), (46, 13936783), (161, 3981938), (322, 1990969)]