28705313

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{953}}^1$

素因数の和:1304

約数の個数: 16

約数和(自身を含む): 35473536

約数和(自身を除く): 6768223

約数列:

[1, 7, 13, 91, 331, 953, 2317, 4303, 6671, 12389, 30121, 86723, 315443, 2208101, 4100759, 28705313]

約数ペア:

[(1, 28705313), (7, 4100759), (13, 2208101), (91, 315443), (331, 86723), (953, 30121), (2317, 12389), (4303, 6671)]