280212819

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{4621}}^1$

素因数の和:4711

約数の個数: 32

約数和(自身を含む): 419307840

約数和(自身を除く): 139095021

約数列:

[1, 3, 17, 29, 41, 51, 87, 123, 493, 697, 1189, 1479, 2091, 3567, 4621, 13863, 20213, 60639, 78557, 134009, 189461, 235671, 402027, 568383, 2278153, 3220837, 5494369, 6834459, 9662511, 16483107, 93404273, 280212819]

約数ペア:

[(1, 280212819), (3, 93404273), (17, 16483107), (29, 9662511), (41, 6834459), (51, 5494369), (87, 3220837), (123, 2278153), (493, 568383), (697, 402027), (1189, 235671), (1479, 189461), (2091, 134009), (3567, 78557), (4621, 60639), (13863, 20213)]