201305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:200

約数の個数: 16

約数和(自身を含む): 275520

約数和(自身を除く): 74215

約数列:

[1, 5, 13, 19, 65, 95, 163, 247, 815, 1235, 2119, 3097, 10595, 15485, 40261, 201305]

約数ペア:

[(1, 201305), (5, 40261), (13, 15485), (19, 10595), (65, 3097), (95, 2119), (163, 1235), (247, 815)]