217269808

素因数分解:

$2^4\times 7^1\times {\mathrm{1939909}}^1$

素因数の和:1939924

約数の個数: 20

約数和(自身を含む): 481097680

約数和(自身を除く): 263827872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1939909, 3879818, 7759636, 13579363, 15519272, 27158726, 31038544, 54317452, 108634904, 217269808]

約数ペア:

[(1, 217269808), (2, 108634904), (4, 54317452), (7, 31038544), (8, 27158726), (14, 15519272), (16, 13579363), (28, 7759636), (56, 3879818), (112, 1939909)]