78455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:106

約数の個数: 16

約数和(自身を含む): 108864

約数和(自身を除く): 30409

約数列:

[1, 5, 13, 17, 65, 71, 85, 221, 355, 923, 1105, 1207, 4615, 6035, 15691, 78455]

約数ペア:

[(1, 78455), (5, 15691), (13, 6035), (17, 4615), (65, 1207), (71, 1105), (85, 923), (221, 355)]