16780915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{433}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 21123648

約数和(自身を除く): 4342733

約数列:

[1, 5, 23, 115, 337, 433, 1685, 2165, 7751, 9959, 38755, 49795, 145921, 729605, 3356183, 16780915]

約数ペア:

[(1, 16780915), (5, 3356183), (23, 729605), (115, 145921), (337, 49795), (433, 38755), (1685, 9959), (2165, 7751)]