28144753

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 35827008

約数和(自身を除く): 7682255

約数列:

[1, 7, 13, 37, 91, 169, 259, 481, 643, 1183, 3367, 4501, 6253, 8359, 23791, 43771, 58513, 108667, 166537, 309283, 760669, 2164981, 4020679, 28144753]

約数ペア:

[(1, 28144753), (7, 4020679), (13, 2164981), (37, 760669), (91, 309283), (169, 166537), (259, 108667), (481, 58513), (643, 43771), (1183, 23791), (3367, 8359), (4501, 6253)]