290421376

素因数分解:

$2^7\times 7^1\times {\mathrm{324131}}^1$

素因数の和:324152

約数の個数: 32

約数和(自身を含む): 661229280

約数和(自身を除く): 370807904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 324131, 648262, 1296524, 2268917, 2593048, 4537834, 5186096, 9075668, 10372192, 18151336, 20744384, 36302672, 41488768, 72605344, 145210688, 290421376]

約数ペア:

[(1, 290421376), (2, 145210688), (4, 72605344), (7, 41488768), (8, 36302672), (14, 20744384), (16, 18151336), (28, 10372192), (32, 9075668), (56, 5186096), (64, 4537834), (112, 2593048), (128, 2268917), (224, 1296524), (448, 648262), (896, 324131)]