209492042

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{443}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 331188480

約数和(自身を除く): 121696438

約数列:

[1, 2, 41, 73, 79, 82, 146, 158, 443, 886, 2993, 3239, 5767, 5986, 6478, 11534, 18163, 32339, 34997, 36326, 64678, 69994, 236447, 472894, 1325899, 1434877, 2554781, 2651798, 2869754, 5109562, 104746021, 209492042]

約数ペア:

[(1, 209492042), (2, 104746021), (41, 5109562), (73, 2869754), (79, 2651798), (82, 2554781), (146, 1434877), (158, 1325899), (443, 472894), (886, 236447), (2993, 69994), (3239, 64678), (5767, 36326), (5986, 34997), (6478, 32339), (11534, 18163)]