678989949

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1637}}^1\times {\mathrm{12569}}^1$

素因数の和:14220

約数の個数: 16

約数和(自身を含む): 988303680

約数和(自身を除く): 309313731

約数列:

[1, 3, 11, 33, 1637, 4911, 12569, 18007, 37707, 54021, 138259, 414777, 20575453, 61726359, 226329983, 678989949]

約数ペア:

[(1, 678989949), (3, 226329983), (11, 61726359), (33, 20575453), (1637, 414777), (4911, 138259), (12569, 54021), (18007, 37707)]