4419376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{21247}}^1$

素因数の和:21268

約数の個数: 20

約数和(自身を含む): 9221632

約数和(自身を除く): 4802256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 21247, 42494, 84988, 169976, 276211, 339952, 552422, 1104844, 2209688, 4419376]

約数ペア:

[(1, 4419376), (2, 2209688), (4, 1104844), (8, 552422), (13, 339952), (16, 276211), (26, 169976), (52, 84988), (104, 42494), (208, 21247)]