89778775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{809}}^1$

素因数の和:1035

約数の個数: 24

約数和(自身を含む): 116912160

約数和(自身を除く): 27133385

約数列:

[1, 5, 23, 25, 115, 193, 575, 809, 965, 4045, 4439, 4825, 18607, 20225, 22195, 93035, 110975, 156137, 465175, 780685, 3591151, 3903425, 17955755, 89778775]

約数ペア:

[(1, 89778775), (5, 17955755), (23, 3903425), (25, 3591151), (115, 780685), (193, 465175), (575, 156137), (809, 110975), (965, 93035), (4045, 22195), (4439, 20225), (4825, 18607)]