2641975

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 3872768

約数和(自身を除く): 1230793

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 487, 775, 1085, 2435, 3409, 5425, 12175, 15097, 17045, 75485, 85225, 105679, 377425, 528395, 2641975]

約数ペア:

[(1, 2641975), (5, 528395), (7, 377425), (25, 105679), (31, 85225), (35, 75485), (155, 17045), (175, 15097), (217, 12175), (487, 5425), (775, 3409), (1085, 2435)]