28757575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14939}}^1$

素因数の和:14967

約数の個数: 24

約数和(自身を含む): 44461440

約数和(自身を除く): 15703865

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 14939, 74695, 104573, 164329, 373475, 522865, 821645, 1150303, 2614325, 4108225, 5751515, 28757575]

約数ペア:

[(1, 28757575), (5, 5751515), (7, 4108225), (11, 2614325), (25, 1150303), (35, 821645), (55, 522865), (77, 373475), (175, 164329), (275, 104573), (385, 74695), (1925, 14939)]