2069851679

素因数分解:

$7^4\times {\mathrm{31}}^1\times {\mathrm{27809}}^1$

素因数の和:27868

約数の個数: 20

約数和(自身を含む): 2492665920

約数和(自身を除く): 422814241

約数列:

[1, 7, 31, 49, 217, 343, 1519, 2401, 10633, 27809, 74431, 194663, 862079, 1362641, 6034553, 9538487, 42241871, 66769409, 295693097, 2069851679]

約数ペア:

[(1, 2069851679), (7, 295693097), (31, 66769409), (49, 42241871), (217, 9538487), (343, 6034553), (1519, 1362641), (2401, 862079), (10633, 194663), (27809, 74431)]