218559996

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{23623}}^1$

素因数の和:23890

約数の個数: 36

約数和(自身を含む): 554644272

約数和(自身を除く): 336084276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 514, 771, 1028, 1542, 2313, 3084, 4626, 9252, 23623, 47246, 70869, 94492, 141738, 212607, 283476, 425214, 850428, 6071111, 12142222, 18213333, 24284444, 36426666, 54639999, 72853332, 109279998, 218559996]

約数ペア:

[(1, 218559996), (2, 109279998), (3, 72853332), (4, 54639999), (6, 36426666), (9, 24284444), (12, 18213333), (18, 12142222), (36, 6071111), (257, 850428), (514, 425214), (771, 283476), (1028, 212607), (1542, 141738), (2313, 94492), (3084, 70869), (4626, 47246), (9252, 23623)]