17970455

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 22063104

約数和(自身を除く): 4092649

約数列:

[1, 5, 71, 223, 227, 355, 1115, 1135, 15833, 16117, 50621, 79165, 80585, 253105, 3594091, 17970455]

約数ペア:

[(1, 17970455), (5, 3594091), (71, 253105), (223, 80585), (227, 79165), (355, 50621), (1115, 16117), (1135, 15833)]