201320485

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{13001}}^1$

素因数の和:13188

約数の個数: 16

約数和(自身を含む): 255879360

約数和(自身を除く): 54558875

約数列:

[1, 5, 19, 95, 163, 815, 3097, 13001, 15485, 65005, 247019, 1235095, 2119163, 10595815, 40264097, 201320485]

約数ペア:

[(1, 201320485), (5, 40264097), (19, 10595815), (95, 2119163), (163, 1235095), (815, 247019), (3097, 65005), (13001, 15485)]