128607325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66809}}^1$

素因数の和:66837

約数の個数: 24

約数和(自身を含む): 198826560

約数和(自身を除く): 70219235

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 66809, 334045, 467663, 734899, 1670225, 2338315, 3674495, 5144293, 11691575, 18372475, 25721465, 128607325]

約数ペア:

[(1, 128607325), (5, 25721465), (7, 18372475), (11, 11691575), (25, 5144293), (35, 3674495), (55, 2338315), (77, 1670225), (175, 734899), (275, 467663), (385, 334045), (1925, 66809)]