28620163

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 36372672

約数和(自身を除く): 7752509

約数列:

[1, 11, 13, 17, 61, 143, 187, 193, 221, 671, 793, 1037, 2123, 2431, 2509, 3281, 8723, 11407, 11773, 13481, 27599, 36091, 42653, 129503, 148291, 153049, 200141, 469183, 1683539, 2201551, 2601833, 28620163]

約数ペア:

[(1, 28620163), (11, 2601833), (13, 2201551), (17, 1683539), (61, 469183), (143, 200141), (187, 153049), (193, 148291), (221, 129503), (671, 42653), (793, 36091), (1037, 27599), (2123, 13481), (2431, 11773), (2509, 11407), (3281, 8723)]