2167844

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 4374720

約数和(自身を除く): 2206876

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 557, 973, 1114, 1946, 2228, 3892, 3899, 7798, 15596, 77423, 154846, 309692, 541961, 1083922, 2167844]

約数ペア:

[(1, 2167844), (2, 1083922), (4, 541961), (7, 309692), (14, 154846), (28, 77423), (139, 15596), (278, 7798), (556, 3899), (557, 3892), (973, 2228), (1114, 1946)]