16687676

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{245407}}^1$

素因数の和:245428

約数の個数: 12

約数和(自身を含む): 30921408

約数和(自身を除く): 14233732

約数列:

[1, 2, 4, 17, 34, 68, 245407, 490814, 981628, 4171919, 8343838, 16687676]

約数ペア:

[(1, 16687676), (2, 8343838), (4, 4171919), (17, 981628), (34, 490814), (68, 245407)]