28397105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{991}}^1$

素因数の和:1528

約数の個数: 16

約数和(自身を含む): 37283328

約数和(自身を除く): 8886223

約数列:

[1, 5, 11, 55, 521, 991, 2605, 4955, 5731, 10901, 28655, 54505, 516311, 2581555, 5679421, 28397105]

約数ペア:

[(1, 28397105), (5, 5679421), (11, 2581555), (55, 516311), (521, 54505), (991, 28655), (2605, 10901), (4955, 5731)]