28780234

素因数分解:

$2^1\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{1459}}^1$

素因数の和:2877

約数の個数: 16

約数和(自身を含む): 49406400

約数和(自身を除く): 20626166

約数列:

[1, 2, 7, 14, 1409, 1459, 2818, 2918, 9863, 10213, 19726, 20426, 2055731, 4111462, 14390117, 28780234]

約数ペア:

[(1, 28780234), (2, 14390117), (7, 4111462), (14, 2055731), (1409, 20426), (1459, 19726), (2818, 10213), (2918, 9863)]