217306768

素因数分解:

$2^4\times 7^2\times {\mathrm{277177}}^1$

素因数の和:277199

約数の個数: 30

約数和(自身を含む): 489773526

約数和(自身を除く): 272466758

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 277177, 554354, 1108708, 1940239, 2217416, 3880478, 4434832, 7760956, 13581673, 15521912, 27163346, 31043824, 54326692, 108653384, 217306768]

約数ペア:

[(1, 217306768), (2, 108653384), (4, 54326692), (7, 31043824), (8, 27163346), (14, 15521912), (16, 13581673), (28, 7760956), (49, 4434832), (56, 3880478), (98, 2217416), (112, 1940239), (196, 1108708), (392, 554354), (784, 277177)]