389655364

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{1889}}^1$

素因数の和:2092

約数の個数: 48

約数和(自身を含む): 800150400

約数和(自身を除く): 410495036

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 139, 212, 278, 371, 556, 742, 973, 1484, 1889, 1946, 3778, 3892, 7367, 7556, 13223, 14734, 26446, 29468, 51569, 52892, 100117, 103138, 200234, 206276, 262571, 400468, 525142, 700819, 1050284, 1401638, 1837997, 2803276, 3675994, 7351988, 13916263, 27832526, 55665052, 97413841, 194827682, 389655364]

約数ペア:

[(1, 389655364), (2, 194827682), (4, 97413841), (7, 55665052), (14, 27832526), (28, 13916263), (53, 7351988), (106, 3675994), (139, 2803276), (212, 1837997), (278, 1401638), (371, 1050284), (556, 700819), (742, 525142), (973, 400468), (1484, 262571), (1889, 206276), (1946, 200234), (3778, 103138), (3892, 100117), (7367, 52892), (7556, 51569), (13223, 29468), (14734, 26446)]