28123249

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 37785600

約数和(自身を除く): 9662351

約数列:

[1, 7, 11, 19, 47, 77, 133, 209, 329, 409, 517, 893, 1463, 2863, 3619, 4499, 6251, 7771, 9823, 19223, 31493, 54397, 68761, 85481, 134561, 211453, 365237, 598367, 1480171, 2556659, 4017607, 28123249]

約数ペア:

[(1, 28123249), (7, 4017607), (11, 2556659), (19, 1480171), (47, 598367), (77, 365237), (133, 211453), (209, 134561), (329, 85481), (409, 68761), (517, 54397), (893, 31493), (1463, 19223), (2863, 9823), (3619, 7771), (4499, 6251)]