217859376

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{648391}}^1$

素因数の和:648409

約数の個数: 40

約数和(自身を含む): 643204864

約数和(自身を除く): 425345488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 648391, 1296782, 1945173, 2593564, 3890346, 4538737, 5187128, 7780692, 9077474, 10374256, 13616211, 15561384, 18154948, 27232422, 31122768, 36309896, 54464844, 72619792, 108929688, 217859376]

約数ペア:

[(1, 217859376), (2, 108929688), (3, 72619792), (4, 54464844), (6, 36309896), (7, 31122768), (8, 27232422), (12, 18154948), (14, 15561384), (16, 13616211), (21, 10374256), (24, 9077474), (28, 7780692), (42, 5187128), (48, 4538737), (56, 3890346), (84, 2593564), (112, 1945173), (168, 1296782), (336, 648391)]