28358015

素因数分解:

$5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{409}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 39822480

約数和(自身を除く): 11464465

約数列:

[1, 5, 7, 35, 49, 245, 283, 409, 1415, 1981, 2045, 2863, 9905, 13867, 14315, 20041, 69335, 100205, 115747, 578735, 810229, 4051145, 5671603, 28358015]

約数ペア:

[(1, 28358015), (5, 5671603), (7, 4051145), (35, 810229), (49, 578735), (245, 115747), (283, 100205), (409, 69335), (1415, 20041), (1981, 14315), (2045, 13867), (2863, 9905)]