28589897

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{743}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 34283520

約数和(自身を除く): 5693623

約数列:

[1, 7, 23, 161, 239, 743, 1673, 5201, 5497, 17089, 38479, 119623, 177577, 1243039, 4084271, 28589897]

約数ペア:

[(1, 28589897), (7, 4084271), (23, 1243039), (161, 177577), (239, 119623), (743, 38479), (1673, 17089), (5201, 5497)]