31215338

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{18427}}^1$

素因数の和:18458

約数の個数: 24

約数和(自身を含む): 58822176

約数和(自身を除く): 27606838

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 18427, 36854, 128989, 202697, 257978, 405394, 1418879, 2229667, 2837758, 4459334, 15607669, 31215338]

約数ペア:

[(1, 31215338), (2, 15607669), (7, 4459334), (11, 2837758), (14, 2229667), (22, 1418879), (77, 405394), (121, 257978), (154, 202697), (242, 128989), (847, 36854), (1694, 18427)]