203130005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{66491}}^1$

素因数の和:66556

約数の個数: 16

約数和(自身を含む): 268095744

約数和(自身を除く): 64965739

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 66491, 332455, 864383, 3125077, 4321915, 15625385, 40626001, 203130005]

約数ペア:

[(1, 203130005), (5, 40626001), (13, 15625385), (47, 4321915), (65, 3125077), (235, 864383), (611, 332455), (3055, 66491)]