2178494416

素因数分解:

$2^4\times 7^1\times {\mathrm{19450843}}^1$

素因数の和:19450858

約数の個数: 20

約数和(自身を含む): 4823809312

約数和(自身を除く): 2645314896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 19450843, 38901686, 77803372, 136155901, 155606744, 272311802, 311213488, 544623604, 1089247208, 2178494416]

約数ペア:

[(1, 2178494416), (2, 1089247208), (4, 544623604), (7, 311213488), (8, 272311802), (14, 155606744), (16, 136155901), (28, 77803372), (56, 38901686), (112, 19450843)]