28405878

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{278489}}^1$

素因数の和:278511

約数の個数: 16

約数和(自身を含む): 60153840

約数和(自身を除く): 31747962

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 278489, 556978, 835467, 1670934, 4734313, 9468626, 14202939, 28405878]

約数ペア:

[(1, 28405878), (2, 14202939), (3, 9468626), (6, 4734313), (17, 1670934), (34, 835467), (51, 556978), (102, 278489)]