13223639

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 16988160

約数和(自身を除く): 3764521

約数列:

[1, 11, 13, 19, 31, 143, 157, 209, 247, 341, 403, 589, 1727, 2041, 2717, 2983, 4433, 4867, 6479, 7657, 22451, 32813, 38779, 53537, 63271, 84227, 92473, 426569, 695981, 1017203, 1202149, 13223639]

約数ペア:

[(1, 13223639), (11, 1202149), (13, 1017203), (19, 695981), (31, 426569), (143, 92473), (157, 84227), (209, 63271), (247, 53537), (341, 38779), (403, 32813), (589, 22451), (1727, 7657), (2041, 6479), (2717, 4867), (2983, 4433)]