487398457

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{75437}}^1$

素因数の和:75528

約数の個数: 16

約数和(自身を含む): 608332032

約数和(自身を除く): 120933575

約数列:

[1, 7, 13, 71, 91, 497, 923, 6461, 75437, 528059, 980681, 5356027, 6864767, 37492189, 69628351, 487398457]

約数ペア:

[(1, 487398457), (7, 69628351), (13, 37492189), (71, 6864767), (91, 5356027), (497, 980681), (923, 528059), (6461, 75437)]