2005647976

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{391117}}^1$

素因数の和:391764

約数の個数: 16

約数和(自身を含む): 3766466340

約数和(自身を除く): 1760818364

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 5128, 391117, 782234, 1564468, 3128936, 250705997, 501411994, 1002823988, 2005647976]

約数ペア:

[(1, 2005647976), (2, 1002823988), (4, 501411994), (8, 250705997), (641, 3128936), (1282, 1564468), (2564, 782234), (5128, 391117)]