12778376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{122869}}^1$

素因数の和:122888

約数の個数: 16

約数和(自身を含む): 25802700

約数和(自身を除く): 13024324

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 122869, 245738, 491476, 982952, 1597297, 3194594, 6389188, 12778376]

約数ペア:

[(1, 12778376), (2, 6389188), (4, 3194594), (8, 1597297), (13, 982952), (26, 491476), (52, 245738), (104, 122869)]