290866173

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1291}}^1$

素因数の和:1469

約数の個数: 32

約数和(自身を含む): 429770880

約数和(自身を除く): 138904707

約数列:

[1, 3, 13, 39, 53, 109, 159, 327, 689, 1291, 1417, 2067, 3873, 4251, 5777, 16783, 17331, 50349, 68423, 75101, 140719, 205269, 225303, 422157, 889499, 1829347, 2668497, 5488041, 7458107, 22374321, 96955391, 290866173]

約数ペア:

[(1, 290866173), (3, 96955391), (13, 22374321), (39, 7458107), (53, 5488041), (109, 2668497), (159, 1829347), (327, 889499), (689, 422157), (1291, 225303), (1417, 205269), (2067, 140719), (3873, 75101), (4251, 68423), (5777, 50349), (16783, 17331)]