289125004

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{74287}}^1$

素因数の和:74437

約数の個数: 24

約数和(自身を含む): 582417920

約数和(自身を除く): 293292916

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 74287, 148574, 297148, 520009, 1040018, 2080036, 10325893, 20651786, 41303572, 72281251, 144562502, 289125004]

約数ペア:

[(1, 289125004), (2, 144562502), (4, 72281251), (7, 41303572), (14, 20651786), (28, 10325893), (139, 2080036), (278, 1040018), (556, 520009), (973, 297148), (1946, 148574), (3892, 74287)]