1490227565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{407723}}^1$

素因数の和:407788

約数の個数: 16

約数和(自身を含む): 1937504448

約数和(自身を除く): 447276883

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 407723, 2038615, 6931291, 17532089, 34656455, 87660445, 298045513, 1490227565]

約数ペア:

[(1, 1490227565), (5, 298045513), (17, 87660445), (43, 34656455), (85, 17532089), (215, 6931291), (731, 2038615), (3655, 407723)]