199987865

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{10601}}^1$

素因数の和:10638

約数の個数: 32

約数和(自身を含む): 305337600

約数和(自身を除く): 105349735

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 1715, 2695, 3773, 10601, 18865, 53005, 74207, 116611, 371035, 519449, 583055, 816277, 2597245, 3636143, 4081385, 5713939, 18180715, 28569695, 39997573, 199987865]

約数ペア:

[(1, 199987865), (5, 39997573), (7, 28569695), (11, 18180715), (35, 5713939), (49, 4081385), (55, 3636143), (77, 2597245), (245, 816277), (343, 583055), (385, 519449), (539, 371035), (1715, 116611), (2695, 74207), (3773, 53005), (10601, 18865)]