28351519

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1126

約数の個数: 16

約数和(自身を含む): 33458176

約数和(自身を除く): 5106657

約数列:

[1, 7, 61, 67, 427, 469, 991, 4087, 6937, 28609, 60451, 66397, 423157, 464779, 4050217, 28351519]

約数ペア:

[(1, 28351519), (7, 4050217), (61, 464779), (67, 423157), (427, 66397), (469, 60451), (991, 28609), (4087, 6937)]