12740312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{122503}}^1$

素因数の和:122522

約数の個数: 16

約数和(自身を含む): 25725840

約数和(自身を除く): 12985528

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 122503, 245006, 490012, 980024, 1592539, 3185078, 6370156, 12740312]

約数ペア:

[(1, 12740312), (2, 6370156), (4, 3185078), (8, 1592539), (13, 980024), (26, 490012), (52, 245006), (104, 122503)]