189215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 16

約数和(自身を含む): 254016

約数和(自身を除く): 64801

約数列:

[1, 5, 13, 41, 65, 71, 205, 355, 533, 923, 2665, 2911, 4615, 14555, 37843, 189215]

約数ペア:

[(1, 189215), (5, 37843), (13, 14555), (41, 4615), (65, 2911), (71, 2665), (205, 923), (355, 533)]