2189993

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 16

約数和(自身を含む): 2521680

約数和(自身を除く): 331687

約数列:

[1, 13, 29, 37, 157, 377, 481, 1073, 2041, 4553, 5809, 13949, 59189, 75517, 168461, 2189993]

約数ペア:

[(1, 2189993), (13, 168461), (29, 75517), (37, 59189), (157, 13949), (377, 5809), (481, 4553), (1073, 2041)]