8171995

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 11199600

約数和(自身を除く): 3027605

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 509, 845, 1235, 2545, 3211, 6617, 9671, 16055, 33085, 48355, 86021, 125723, 430105, 628615, 1634399, 8171995]

約数ペア:

[(1, 8171995), (5, 1634399), (13, 628615), (19, 430105), (65, 125723), (95, 86021), (169, 48355), (247, 33085), (509, 16055), (845, 9671), (1235, 6617), (2545, 3211)]