2156778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{709}}^1$

素因数の和:743

約数の個数: 36

約数和(自身を含む): 5067270

約数和(自身を除く): 2910492

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 709, 1014, 1418, 1521, 2127, 3042, 4254, 6381, 9217, 12762, 18434, 27651, 55302, 82953, 119821, 165906, 239642, 359463, 718926, 1078389, 2156778]

約数ペア:

[(1, 2156778), (2, 1078389), (3, 718926), (6, 359463), (9, 239642), (13, 165906), (18, 119821), (26, 82953), (39, 55302), (78, 27651), (117, 18434), (169, 12762), (234, 9217), (338, 6381), (507, 4254), (709, 3042), (1014, 2127), (1418, 1521)]