3878378

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1993}}^1$

素因数の和:2141

約数の個数: 16

約数和(自身を含む): 6699840

約数和(自身を除く): 2821462

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 1993, 3986, 13951, 27902, 277027, 554054, 1939189, 3878378]

約数ペア:

[(1, 3878378), (2, 1939189), (7, 554054), (14, 277027), (139, 27902), (278, 13951), (973, 3986), (1946, 1993)]