28417765

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4051}}^1$

素因数の和:4140

約数の個数: 16

約数和(自身を含む): 36176256

約数和(自身を除く): 7758491

約数列:

[1, 5, 23, 61, 115, 305, 1403, 4051, 7015, 20255, 93173, 247111, 465865, 1235555, 5683553, 28417765]

約数ペア:

[(1, 28417765), (5, 5683553), (23, 1235555), (61, 465865), (115, 247111), (305, 93173), (1403, 20255), (4051, 7015)]