31420144

素因数分解:

$2^4\times 7^1\times {\mathrm{280537}}^1$

素因数の和:280552

約数の個数: 20

約数和(自身を含む): 69573424

約数和(自身を除く): 38153280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 280537, 561074, 1122148, 1963759, 2244296, 3927518, 4488592, 7855036, 15710072, 31420144]

約数ペア:

[(1, 31420144), (2, 15710072), (4, 7855036), (7, 4488592), (8, 3927518), (14, 2244296), (16, 1963759), (28, 1122148), (56, 561074), (112, 280537)]