28140827

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 6695653

約数列:

[1, 11, 13, 47, 53, 79, 143, 517, 583, 611, 689, 869, 1027, 2491, 3713, 4187, 6721, 7579, 11297, 27401, 32383, 40843, 46057, 48269, 54431, 196789, 356213, 530959, 598741, 2164679, 2558257, 28140827]

約数ペア:

[(1, 28140827), (11, 2558257), (13, 2164679), (47, 598741), (53, 530959), (79, 356213), (143, 196789), (517, 54431), (583, 48269), (611, 46057), (689, 40843), (869, 32383), (1027, 27401), (2491, 11297), (3713, 7579), (4187, 6721)]