201640564976

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{15539501}}^1$

素因数の和:15540320

約数の個数: 20

約数和(自身を含む): 391160344344

約数和(自身を除く): 189519779368

約数列:

[1, 2, 4, 8, 16, 811, 1622, 3244, 6488, 12976, 15539501, 31079002, 62158004, 124316008, 248632016, 12602535311, 25205070622, 50410141244, 100820282488, 201640564976]

約数ペア:

[(1, 201640564976), (2, 100820282488), (4, 50410141244), (8, 25205070622), (16, 12602535311), (811, 248632016), (1622, 124316008), (3244, 62158004), (6488, 31079002), (12976, 15539501)]