2077889989

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{15797}}^1$

素因数の和:15889

約数の個数: 32

約数和(自身を含む): 2669230080

約数和(自身を除く): 591340091

約数列:

[1, 7, 19, 23, 43, 133, 161, 301, 437, 817, 989, 3059, 5719, 6923, 15797, 18791, 110579, 131537, 300143, 363331, 679271, 2101001, 2543317, 4754897, 6903289, 12906149, 15623233, 48323023, 90343043, 109362631, 296841427, 2077889989]

約数ペア:

[(1, 2077889989), (7, 296841427), (19, 109362631), (23, 90343043), (43, 48323023), (133, 15623233), (161, 12906149), (301, 6903289), (437, 4754897), (817, 2543317), (989, 2101001), (3059, 679271), (5719, 363331), (6923, 300143), (15797, 131537), (18791, 110579)]