199460912

素因数分解:

$2^4\times 7^1\times {\mathrm{1780901}}^1$

素因数の和:1780916

約数の個数: 20

約数和(自身を含む): 441663696

約数和(自身を除く): 242202784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1780901, 3561802, 7123604, 12466307, 14247208, 24932614, 28494416, 49865228, 99730456, 199460912]

約数ペア:

[(1, 199460912), (2, 99730456), (4, 49865228), (7, 28494416), (8, 24932614), (14, 14247208), (16, 12466307), (28, 7123604), (56, 3561802), (112, 1780901)]