12945968

素因数分解:

$2^4\times 7^1\times {\mathrm{115589}}^1$

素因数の和:115604

約数の個数: 20

約数和(自身を含む): 28666320

約数和(自身を除く): 15720352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 115589, 231178, 462356, 809123, 924712, 1618246, 1849424, 3236492, 6472984, 12945968]

約数ペア:

[(1, 12945968), (2, 6472984), (4, 3236492), (7, 1849424), (8, 1618246), (14, 924712), (16, 809123), (28, 462356), (56, 231178), (112, 115589)]