31172406

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1999}}^1$

素因数の和:2140

約数の個数: 32

約数和(自身を含む): 65664000

約数和(自身を除く): 34491594

約数列:

[1, 2, 3, 6, 23, 46, 69, 113, 138, 226, 339, 678, 1999, 2599, 3998, 5198, 5997, 7797, 11994, 15594, 45977, 91954, 137931, 225887, 275862, 451774, 677661, 1355322, 5195401, 10390802, 15586203, 31172406]

約数ペア:

[(1, 31172406), (2, 15586203), (3, 10390802), (6, 5195401), (23, 1355322), (46, 677661), (69, 451774), (113, 275862), (138, 225887), (226, 137931), (339, 91954), (678, 45977), (1999, 15594), (2599, 11994), (3998, 7797), (5198, 5997)]