28610855

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{691}}^1$

素因数の和:736

約数の個数: 36

約数和(自身を含む): 43309512

約数和(自身を除く): 14698657

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 169, 245, 455, 637, 691, 845, 1183, 3185, 3455, 4837, 5915, 8281, 8983, 24185, 33859, 41405, 44915, 62881, 116779, 169295, 314405, 440167, 583895, 817453, 2200835, 4087265, 5722171, 28610855]

約数ペア:

[(1, 28610855), (5, 5722171), (7, 4087265), (13, 2200835), (35, 817453), (49, 583895), (65, 440167), (91, 314405), (169, 169295), (245, 116779), (455, 62881), (637, 44915), (691, 41405), (845, 33859), (1183, 24185), (3185, 8983), (3455, 8281), (4837, 5915)]