90712895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1033}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 134800512

約数和(自身を除く): 44087617

約数列:

[1, 5, 7, 13, 35, 65, 91, 193, 455, 965, 1033, 1351, 2509, 5165, 6755, 7231, 12545, 13429, 17563, 36155, 67145, 87815, 94003, 199369, 470015, 996845, 1395583, 2591797, 6977915, 12958985, 18142579, 90712895]

約数ペア:

[(1, 90712895), (5, 18142579), (7, 12958985), (13, 6977915), (35, 2591797), (65, 1395583), (91, 996845), (193, 470015), (455, 199369), (965, 94003), (1033, 87815), (1351, 67145), (2509, 36155), (5165, 17563), (6755, 13429), (7231, 12545)]