90702997

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 117448704

約数和(自身を除く): 26745707

約数列:

[1, 7, 11, 47, 71, 77, 329, 353, 497, 517, 781, 2471, 3337, 3619, 3883, 5467, 16591, 23359, 25063, 27181, 36707, 116137, 175441, 182501, 256949, 275693, 1177961, 1277507, 1929851, 8245727, 12957571, 90702997]

約数ペア:

[(1, 90702997), (7, 12957571), (11, 8245727), (47, 1929851), (71, 1277507), (77, 1177961), (329, 275693), (353, 256949), (497, 182501), (517, 175441), (781, 116137), (2471, 36707), (3337, 27181), (3619, 25063), (3883, 23359), (5467, 16591)]