49878325

素因数分解:

$5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2186

約数の個数: 36

約数和(自身を含む): 75768960

約数和(自身を除く): 25890635

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 133, 175, 245, 475, 665, 931, 1225, 2143, 3325, 4655, 10715, 15001, 23275, 40717, 53575, 75005, 105007, 203585, 285019, 375025, 525035, 1017925, 1425095, 1995133, 2625175, 7125475, 9975665, 49878325]

約数ペア:

[(1, 49878325), (5, 9975665), (7, 7125475), (19, 2625175), (25, 1995133), (35, 1425095), (49, 1017925), (95, 525035), (133, 375025), (175, 285019), (245, 203585), (475, 105007), (665, 75005), (931, 53575), (1225, 40717), (2143, 23275), (3325, 15001), (4655, 10715)]