28074891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10139}}^1$

素因数の和:10226

約数の個数: 16

約数和(自身を含む): 40884480

約数和(自身を除く): 12809589

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 10139, 30417, 131807, 395421, 719869, 2159607, 9358297, 28074891]

約数ペア:

[(1, 28074891), (3, 9358297), (13, 2159607), (39, 719869), (71, 395421), (213, 131807), (923, 30417), (2769, 10139)]