128400728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{944123}}^1$

素因数の和:944146

約数の個数: 16

約数和(自身を含む): 254913480

約数和(自身を除く): 126512752

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 944123, 1888246, 3776492, 7552984, 16050091, 32100182, 64200364, 128400728]

約数ペア:

[(1, 128400728), (2, 64200364), (4, 32100182), (8, 16050091), (17, 7552984), (34, 3776492), (68, 1888246), (136, 944123)]