128252915

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{1021}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 182684544

約数和(自身を除く): 54431629

約数列:

[1, 5, 7, 35, 37, 97, 185, 259, 485, 679, 1021, 1295, 3395, 3589, 5105, 7147, 17945, 25123, 35735, 37777, 99037, 125615, 188885, 264439, 495185, 693259, 1322195, 3466295, 3664369, 18321845, 25650583, 128252915]

約数ペア:

[(1, 128252915), (5, 25650583), (7, 18321845), (35, 3664369), (37, 3466295), (97, 1322195), (185, 693259), (259, 495185), (485, 264439), (679, 188885), (1021, 125615), (1295, 99037), (3395, 37777), (3589, 35735), (5105, 25123), (7147, 17945)]