31800092

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 57624000

約数和(自身を除く): 25823908

約数列:

[1, 2, 4, 41, 82, 97, 164, 194, 388, 1999, 3977, 3998, 7954, 7996, 15908, 81959, 163918, 193903, 327836, 387806, 775612, 7950023, 15900046, 31800092]

約数ペア:

[(1, 31800092), (2, 15900046), (4, 7950023), (41, 775612), (82, 387806), (97, 327836), (164, 193903), (194, 163918), (388, 81959), (1999, 15908), (3977, 7996), (3998, 7954)]