2989942

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:543

約数の個数: 16

約数和(自身を含む): 4648752

約数和(自身を除く): 1658810

約数列:

[1, 2, 53, 67, 106, 134, 421, 842, 3551, 7102, 22313, 28207, 44626, 56414, 1494971, 2989942]

約数ペア:

[(1, 2989942), (2, 1494971), (53, 56414), (67, 44626), (106, 28207), (134, 22313), (421, 7102), (842, 3551)]