2097366925

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{43}}^2\times {\mathrm{157}}^1$

素因数の和:287

約数の個数: 54

約数和(自身を含む): 2846477598

約数和(自身を除く): 749110673

約数列:

[1, 5, 17, 25, 43, 85, 157, 215, 289, 425, 731, 785, 1075, 1445, 1849, 2669, 3655, 3925, 6751, 7225, 9245, 12427, 13345, 18275, 31433, 33755, 45373, 46225, 62135, 66725, 114767, 157165, 168775, 226865, 290293, 310675, 534361, 573835, 785825, 1134325, 1451465, 1951039, 2671805, 2869175, 4934981, 7257325, 9755195, 13359025, 24674905, 48775975, 83894677, 123374525, 419473385, 2097366925]

約数ペア:

[(1, 2097366925), (5, 419473385), (17, 123374525), (25, 83894677), (43, 48775975), (85, 24674905), (157, 13359025), (215, 9755195), (289, 7257325), (425, 4934981), (731, 2869175), (785, 2671805), (1075, 1951039), (1445, 1451465), (1849, 1134325), (2669, 785825), (3655, 573835), (3925, 534361), (6751, 310675), (7225, 290293), (9245, 226865), (12427, 168775), (13345, 157165), (18275, 114767), (31433, 66725), (33755, 62135), (45373, 46225)]