1989968405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{544451}}^1$

素因数の和:544516

約数の個数: 16

約数和(自身を含む): 2587235904

約数和(自身を除く): 597267499

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 544451, 2722255, 9255667, 23411393, 46278335, 117056965, 397993681, 1989968405]

約数ペア:

[(1, 1989968405), (5, 397993681), (17, 117056965), (43, 46278335), (85, 23411393), (215, 9255667), (731, 2722255), (3655, 544451)]