129331825

素因数分解:

$5^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1582

約数の個数: 36

約数和(自身を含む): 189309312

約数和(自身を除く): 59977487

約数列:

[1, 5, 7, 25, 35, 49, 71, 175, 245, 355, 497, 1225, 1487, 1775, 2485, 3479, 7435, 10409, 12425, 17395, 37175, 52045, 72863, 86975, 105577, 260225, 364315, 527885, 739039, 1821575, 2639425, 3695195, 5173273, 18475975, 25866365, 129331825]

約数ペア:

[(1, 129331825), (5, 25866365), (7, 18475975), (25, 5173273), (35, 3695195), (49, 2639425), (71, 1821575), (175, 739039), (245, 527885), (355, 364315), (497, 260225), (1225, 105577), (1487, 86975), (1775, 72863), (2485, 52045), (3479, 37175), (7435, 17395), (10409, 12425)]