28043509

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1428

約数の個数: 16

約数和(自身を含む): 31981824

約数和(自身を除く): 3938315

約数列:

[1, 13, 23, 71, 299, 923, 1321, 1633, 17173, 21229, 30383, 93791, 394979, 1219283, 2157193, 28043509]

約数ペア:

[(1, 28043509), (13, 2157193), (23, 1219283), (71, 394979), (299, 93791), (923, 30383), (1321, 21229), (1633, 17173)]