90018071

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 107921520

約数和(自身を除く): 17903449

約数列:

[1, 11, 13, 89, 121, 143, 643, 979, 1157, 1573, 7073, 8359, 10769, 12727, 57227, 77803, 91949, 139997, 629497, 743951, 1011439, 6924467, 8183461, 90018071]

約数ペア:

[(1, 90018071), (11, 8183461), (13, 6924467), (89, 1011439), (121, 743951), (143, 629497), (643, 139997), (979, 91949), (1157, 77803), (1573, 57227), (7073, 12727), (8359, 10769)]