388639030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2989531}}^1$

素因数の和:2989551

約数の個数: 16

約数和(自身を含む): 753362064

約数和(自身を除く): 364723034

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2989531, 5979062, 14947655, 29895310, 38863903, 77727806, 194319515, 388639030]

約数ペア:

[(1, 388639030), (2, 194319515), (5, 77727806), (10, 38863903), (13, 29895310), (26, 14947655), (65, 5979062), (130, 2989531)]