2106215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 2721600

約数和(自身を除く): 615385

約数列:

[1, 5, 17, 71, 85, 349, 355, 1207, 1745, 5933, 6035, 24779, 29665, 123895, 421243, 2106215]

約数ペア:

[(1, 2106215), (5, 421243), (17, 123895), (71, 29665), (85, 24779), (349, 6035), (355, 5933), (1207, 1745)]