2640185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 3402000

約数和(自身を除く): 761815

約数列:

[1, 5, 17, 85, 89, 349, 445, 1513, 1745, 5933, 7565, 29665, 31061, 155305, 528037, 2640185]

約数ペア:

[(1, 2640185), (5, 528037), (17, 155305), (85, 31061), (89, 29665), (349, 7565), (445, 5933), (1513, 1745)]