28465910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1031}}^1$

素因数の和:1300

約数の個数: 32

約数和(自身を含む): 56173824

約数和(自身を除く): 27707914

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 251, 502, 1031, 1255, 2062, 2510, 2761, 5155, 5522, 10310, 11341, 13805, 22682, 27610, 56705, 113410, 258781, 517562, 1293905, 2587810, 2846591, 5693182, 14232955, 28465910]

約数ペア:

[(1, 28465910), (2, 14232955), (5, 5693182), (10, 2846591), (11, 2587810), (22, 1293905), (55, 517562), (110, 258781), (251, 113410), (502, 56705), (1031, 27610), (1255, 22682), (2062, 13805), (2510, 11341), (2761, 10310), (5155, 5522)]