17680145

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4721}}^1$

素因数の和:4840

約数の個数: 16

約数和(自身を含む): 24478848

約数和(自身を除く): 6798703

約数列:

[1, 5, 7, 35, 107, 535, 749, 3745, 4721, 23605, 33047, 165235, 505147, 2525735, 3536029, 17680145]

約数ペア:

[(1, 17680145), (5, 3536029), (7, 2525735), (35, 505147), (107, 165235), (535, 33047), (749, 23605), (3745, 4721)]