87236465

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 111767040

約数和(自身を除く): 24530575

約数列:

[1, 5, 43, 47, 89, 97, 215, 235, 445, 485, 2021, 3827, 4171, 4183, 4559, 8633, 10105, 19135, 20855, 20915, 22795, 43165, 179869, 196037, 371219, 405751, 899345, 980185, 1856095, 2028755, 17447293, 87236465]

約数ペア:

[(1, 87236465), (5, 17447293), (43, 2028755), (47, 1856095), (89, 980185), (97, 899345), (215, 405751), (235, 371219), (445, 196037), (485, 179869), (2021, 43165), (3827, 22795), (4171, 20915), (4183, 20855), (4559, 19135), (8633, 10105)]