1291361965

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1\times {\mathrm{4093}}^1$

素因数の和:4896

約数の個数: 16

約数和(自身を含む): 1569639600

約数和(自身を除く): 278277635

約数列:

[1, 5, 89, 445, 709, 3545, 4093, 20465, 63101, 315505, 364277, 1821385, 2901937, 14509685, 258272393, 1291361965]

約数ペア:

[(1, 1291361965), (5, 258272393), (89, 14509685), (445, 2901937), (709, 1821385), (3545, 364277), (4093, 315505), (20465, 63101)]