856943966

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{20117}}^1$

素因数の和:20216

約数の個数: 24

約数和(自身を含む): 1379692440

約数和(自身を除く): 522748474

約数列:

[1, 2, 19, 38, 59, 118, 361, 722, 1121, 2242, 20117, 21299, 40234, 42598, 382223, 764446, 1186903, 2373806, 7262237, 14524474, 22551157, 45102314, 428471983, 856943966]

約数ペア:

[(1, 856943966), (2, 428471983), (19, 45102314), (38, 22551157), (59, 14524474), (118, 7262237), (361, 2373806), (722, 1186903), (1121, 764446), (2242, 382223), (20117, 42598), (21299, 40234)]