289407715

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 375114240

約数和(自身を除く): 85706525

約数列:

[1, 5, 19, 71, 95, 107, 355, 401, 535, 1349, 2005, 2033, 6745, 7597, 7619, 10165, 28471, 37985, 38095, 42907, 142355, 144343, 214535, 540949, 721715, 815233, 2704745, 3046397, 4076165, 15231985, 57881543, 289407715]

約数ペア:

[(1, 289407715), (5, 57881543), (19, 15231985), (71, 4076165), (95, 3046397), (107, 2704745), (355, 815233), (401, 721715), (535, 540949), (1349, 214535), (2005, 144343), (2033, 142355), (6745, 42907), (7597, 38095), (7619, 37985), (10165, 28471)]