128896075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66959}}^1$

素因数の和:66987

約数の個数: 24

約数和(自身を含む): 199272960

約数和(自身を除く): 70376885

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 66959, 334795, 468713, 736549, 1673975, 2343565, 3682745, 5155843, 11717825, 18413725, 25779215, 128896075]

約数ペア:

[(1, 128896075), (5, 25779215), (7, 18413725), (11, 11717825), (25, 5155843), (35, 3682745), (55, 2343565), (77, 1673975), (175, 736549), (275, 468713), (385, 334795), (1925, 66959)]