189413864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{2663}}^1$

素因数の和:3209

約数の個数: 32

約数和(自身を含む): 376902720

約数和(自身を除く): 187488856

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 523, 1046, 2092, 2663, 4184, 5326, 8891, 10652, 17782, 21304, 35564, 45271, 71128, 90542, 181084, 362168, 1392749, 2785498, 5570996, 11141992, 23676733, 47353466, 94706932, 189413864]

約数ペア:

[(1, 189413864), (2, 94706932), (4, 47353466), (8, 23676733), (17, 11141992), (34, 5570996), (68, 2785498), (136, 1392749), (523, 362168), (1046, 181084), (2092, 90542), (2663, 71128), (4184, 45271), (5326, 35564), (8891, 21304), (10652, 17782)]