123863257

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{2143}}^1$

素因数の和:2532

約数の個数: 16

約数和(自身を含む): 148193280

約数和(自身を除く): 24330023

約数列:

[1, 7, 23, 161, 359, 2143, 2513, 8257, 15001, 49289, 57799, 345023, 769337, 5385359, 17694751, 123863257]

約数ペア:

[(1, 123863257), (7, 17694751), (23, 5385359), (161, 769337), (359, 345023), (2143, 57799), (2513, 49289), (8257, 15001)]