78521725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3931}}^1$

素因数の和:4005

約数の個数: 24

約数和(自身を含む): 105314688

約数和(自身を除く): 26792963

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1175, 3931, 3995, 19655, 19975, 66827, 98275, 184757, 334135, 923785, 1670675, 3140869, 4618925, 15704345, 78521725]

約数ペア:

[(1, 78521725), (5, 15704345), (17, 4618925), (25, 3140869), (47, 1670675), (85, 923785), (235, 334135), (425, 184757), (799, 98275), (1175, 66827), (3931, 19975), (3995, 19655)]