990640038

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{63527}}^1$

素因数の和:63668

約数の個数: 32

約数和(自身を含む): 2085751296

約数和(自身を除く): 1095111258

約数列:

[1, 2, 3, 6, 23, 46, 69, 113, 138, 226, 339, 678, 2599, 5198, 7797, 15594, 63527, 127054, 190581, 381162, 1461121, 2922242, 4383363, 7178551, 8766726, 14357102, 21535653, 43071306, 165106673, 330213346, 495320019, 990640038]

約数ペア:

[(1, 990640038), (2, 495320019), (3, 330213346), (6, 165106673), (23, 43071306), (46, 21535653), (69, 14357102), (113, 8766726), (138, 7178551), (226, 4383363), (339, 2922242), (678, 1461121), (2599, 381162), (5198, 190581), (7797, 127054), (15594, 63527)]