28980238

素因数分解:

$2^1\times 7^1\times {\mathrm{1277}}^1\times {\mathrm{1621}}^1$

素因数の和:2907

約数の個数: 16

約数和(自身を含む): 49749984

約数和(自身を除く): 20769746

約数列:

[1, 2, 7, 14, 1277, 1621, 2554, 3242, 8939, 11347, 17878, 22694, 2070017, 4140034, 14490119, 28980238]

約数ペア:

[(1, 28980238), (2, 14490119), (7, 4140034), (14, 2070017), (1277, 22694), (1621, 17878), (2554, 11347), (3242, 8939)]