2051236789

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{217223}}^1$

素因数の和:217320

約数の個数: 16

約数和(自身を含む): 2502420480

約数和(自身を除く): 451183691

約数列:

[1, 7, 19, 71, 133, 497, 1349, 9443, 217223, 1520561, 4127237, 15422833, 28890659, 107959831, 293033827, 2051236789]

約数ペア:

[(1, 2051236789), (7, 293033827), (19, 107959831), (71, 28890659), (133, 15422833), (497, 4127237), (1349, 1520561), (9443, 217223)]