28759591

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2447}}^1$

素因数の和:2550

約数の個数: 16

約数和(自身を含む): 34781184

約数和(自身を除く): 6021593

約数列:

[1, 7, 23, 73, 161, 511, 1679, 2447, 11753, 17129, 56281, 178631, 393967, 1250417, 4108513, 28759591]

約数ペア:

[(1, 28759591), (7, 4108513), (23, 1250417), (73, 393967), (161, 178631), (511, 56281), (1679, 17129), (2447, 11753)]