28390351

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 33611760

約数和(自身を除く): 5221409

約数列:

[1, 11, 19, 53, 121, 209, 233, 583, 1007, 2299, 2563, 4427, 6413, 11077, 12349, 28193, 48697, 121847, 135839, 234631, 535667, 1494229, 2580941, 28390351]

約数ペア:

[(1, 28390351), (11, 2580941), (19, 1494229), (53, 535667), (121, 234631), (209, 135839), (233, 121847), (583, 48697), (1007, 28193), (2299, 12349), (2563, 11077), (4427, 6413)]