138908084

素因数分解:

$2^2\times 7^1\times {\mathrm{479}}^1\times {\mathrm{10357}}^1$

素因数の和:10847

約数の個数: 24

約数和(自身を含む): 278423040

約数和(自身を除く): 139514956

約数列:

[1, 2, 4, 7, 14, 28, 479, 958, 1916, 3353, 6706, 10357, 13412, 20714, 41428, 72499, 144998, 289996, 4961003, 9922006, 19844012, 34727021, 69454042, 138908084]

約数ペア:

[(1, 138908084), (2, 69454042), (4, 34727021), (7, 19844012), (14, 9922006), (28, 4961003), (479, 289996), (958, 144998), (1916, 72499), (3353, 41428), (6706, 20714), (10357, 13412)]