128975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1$

素因数の和:95

約数の個数: 24

約数和(自身を含む): 202368

約数和(自身を除く): 73393

約数列:

[1, 5, 7, 11, 25, 35, 55, 67, 77, 175, 275, 335, 385, 469, 737, 1675, 1925, 2345, 3685, 5159, 11725, 18425, 25795, 128975]

約数ペア:

[(1, 128975), (5, 25795), (7, 18425), (11, 11725), (25, 5159), (35, 3685), (55, 2345), (67, 1925), (77, 1675), (175, 737), (275, 469), (335, 385)]