638929084

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{337}}^1\times {\mathrm{3019}}^1$

素因数の和:3517

約数の個数: 24

約数和(自身を含む): 1128960560

約数和(自身を除く): 490031476

約数列:

[1, 2, 4, 157, 314, 337, 628, 674, 1348, 3019, 6038, 12076, 52909, 105818, 211636, 473983, 947966, 1017403, 1895932, 2034806, 4069612, 159732271, 319464542, 638929084]

約数ペア:

[(1, 638929084), (2, 319464542), (4, 159732271), (157, 4069612), (314, 2034806), (337, 1895932), (628, 1017403), (674, 947966), (1348, 473983), (3019, 211636), (6038, 105818), (12076, 52909)]