139877278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{13007}}^1$

素因数の和:13311

約数の個数: 16

約数和(自身を含む): 221656320

約数和(自身を除く): 81779042

約数列:

[1, 2, 19, 38, 283, 566, 5377, 10754, 13007, 26014, 247133, 494266, 3680981, 7361962, 69938639, 139877278]

約数ペア:

[(1, 139877278), (2, 69938639), (19, 7361962), (38, 3680981), (283, 494266), (566, 247133), (5377, 26014), (10754, 13007)]