394403438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{19423}}^1$

素因数の和:19520

約数の個数: 32

約数和(自身を含む): 704858112

約数和(自身を除く): 310454674

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 781, 923, 1562, 1846, 10153, 19423, 20306, 38846, 213653, 252499, 427306, 504998, 1379033, 2758066, 2777489, 5554978, 15169363, 17927429, 30338726, 35854858, 197201719, 394403438]

約数ペア:

[(1, 394403438), (2, 197201719), (11, 35854858), (13, 30338726), (22, 17927429), (26, 15169363), (71, 5554978), (142, 2777489), (143, 2758066), (286, 1379033), (781, 504998), (923, 427306), (1562, 252499), (1846, 213653), (10153, 38846), (19423, 20306)]