208776688

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{121949}}^1$

素因数の和:122064

約数の個数: 20

約数和(自身を含む): 408288600

約数和(自身を除く): 199511912

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 121949, 243898, 487796, 975592, 1951184, 13048543, 26097086, 52194172, 104388344, 208776688]

約数ペア:

[(1, 208776688), (2, 104388344), (4, 52194172), (8, 26097086), (16, 13048543), (107, 1951184), (214, 975592), (428, 487796), (856, 243898), (1712, 121949)]