201291745

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 259407360

約数和(自身を除く): 58115615

約数列:

[1, 5, 23, 71, 89, 115, 277, 355, 445, 1385, 1633, 2047, 6319, 6371, 8165, 10235, 19667, 24653, 31595, 31855, 98335, 123265, 145337, 452341, 567019, 726685, 1750363, 2261705, 2835095, 8751815, 40258349, 201291745]

約数ペア:

[(1, 201291745), (5, 40258349), (23, 8751815), (71, 2835095), (89, 2261705), (115, 1750363), (277, 726685), (355, 567019), (445, 452341), (1385, 145337), (1633, 123265), (2047, 98335), (6319, 31855), (6371, 31595), (8165, 24653), (10235, 19667)]