1664080688

素因数分解:

$2^4\times {\mathrm{2089}}^1\times {\mathrm{49787}}^1$

素因数の和:51884

約数の個数: 20

約数和(自身を含む): 3225764520

約数和(自身を除く): 1561683832

約数列:

[1, 2, 4, 8, 16, 2089, 4178, 8356, 16712, 33424, 49787, 99574, 199148, 398296, 796592, 104005043, 208010086, 416020172, 832040344, 1664080688]

約数ペア:

[(1, 1664080688), (2, 832040344), (4, 416020172), (8, 208010086), (16, 104005043), (2089, 796592), (4178, 398296), (8356, 199148), (16712, 99574), (33424, 49787)]