2991940238

素因数分解:

$2^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{312899}}^1$

素因数の和:313591

約数の個数: 16

約数和(自身を含む): 5136566400

約数和(自身を除く): 2144626162

約数列:

[1, 2, 7, 14, 683, 1366, 4781, 9562, 312899, 625798, 2190293, 4380586, 213710017, 427420034, 1495970119, 2991940238]

約数ペア:

[(1, 2991940238), (2, 1495970119), (7, 427420034), (14, 213710017), (683, 4380586), (1366, 2190293), (4781, 625798), (9562, 312899)]