2557854

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 6329232

約数和(自身を除く): 3771378

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 643, 663, 1286, 1326, 1929, 1989, 3858, 3978, 5787, 8359, 10931, 11574, 16718, 21862, 25077, 32793, 50154, 65586, 75231, 98379, 142103, 150462, 196758, 284206, 426309, 852618, 1278927, 2557854]

約数ペア:

[(1, 2557854), (2, 1278927), (3, 852618), (6, 426309), (9, 284206), (13, 196758), (17, 150462), (18, 142103), (26, 98379), (34, 75231), (39, 65586), (51, 50154), (78, 32793), (102, 25077), (117, 21862), (153, 16718), (221, 11574), (234, 10931), (306, 8359), (442, 5787), (643, 3978), (663, 3858), (1286, 1989), (1326, 1929)]